Still getting the code. For more information, make sure to. The function of the input shaft speed sensor is to keep track of the transmission’s input shaft speed. I need to get it smogged and cannot do so due to a check engine light because of the vss sensor. Built 4l60e vs 4l80e Built 4l60e vs 4l80e. An electronic controlled 4L60E from just about any 1993-2000 GM car can be used for the transmission. It gets the vehicle speed signal from a 4-pulse sine-wave generator mounted at the transmission, and converts the sine-wave into a. Splice two wires into your new gauge all it's looking for is a pulse signal typically once you start calibrating you tell it you're not moving then hit the button again and drive for exactly one mile this calibrates the speedo. I didn`t even think about the VSS signal. As the output shaft rotates, an AC signal is created. CEL had been on, intermittently, always threw different codes, but I lost third gear driving home last Friday. 6 Transmission Shifting How to Repair 2006 Turbine Input Shaft Speed Sensor 4L60E. Haynes Publishing is the home of car, motorcycle, scooter and ATV manuals, as well as a range of other specialist topics in print and digital formats. This harness is compatible with 1998-2002 Camaro/Firebird, GTO, and all GM trucks and SUV’s from 1996 to 2006. This is not an adapter for another style tail housing that requires you to move your cross member. to/2YiSPGC You can Support This Channel on Patre. Vss (like its bipolar counterpart Vee) is connected to GND for logic chips,and you are correct - there is no such thing as decoupling it to the signal ground because it is the signal ground. 623" lift/114° LSA camshaft, 12:1 C/R, TFS R-Series FTI ported intake, BBK 80mm T/B, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3. sys is not a VSS provider and is independent from VSS). I bought a Digitech VSS divider but this is limited to a divide by 2 so I used 4 D type flip flops after the Digitech to divide the signal down. P1398 Wheel Speed Sensor 2, G-Sensor Circuit High Voltage. I put her up on jack stands and I hooked up a scope to the VSS. Most TP sensors have extra pins for extra internal functionality. if will save you a lot of trouble. These two sensors work together to relay information back to the engine control unit. 1350 NON CV VSS TAILHOUSING RELUCTOR KIT for any given moment. 0V signal and scan PID voltage value. The VSS will generate a pulse signal based on driveshaft revolution and can be used with some electronic speedometers and/or engine control systems. If using a VSS or ECM signal with an 8-pulse speedometer, a SN74 is needed. Your trans will be making the VSS signal out of the tailstock mounted VSS. Your ECM is located just under the glove box and does not have the VSS buffer as part of it so it uses the DRAC to process the signal from your VSS before it gets it. You responded a few years ago to acquire the signal from the ECM. The vehicle speed sensor (VSS) sends alternating current (AC) to the VSS Buffer or DRAC (the little white box) at 40 pulses per driveshaft revolution. It?s a Chevy 241c. This signal replicates the signal coming from the TOSS (Transmission Output Shaft Speed) sensor. To add a second VSS for the 4L80 it seems that a second VSS is added, however commonly done with twisted pair, rather than shielded. 0V on sensor signal circuit. It is recommended that you use the Baumann wiring harness with this system. 4l60e Vss Signal. A: 1-2 shift solenoid ground signal. This signal is sent to a VSS buffer on all nonpassenger-car applications. With the 4L60E bolted to your GM motor all that is left is making the wiring connections. You need ot have them reprogrammed. Higginbotham …also include materials you may have to total simple tasks. There are two (2) common locations for the Transmission Output Speed Sensor (TOSS), depending on whether the vehicle is two- or four-wheel-drive. The tach lead on the distributor cap (carbureted engines) 7. Typically a sine wave signal. The PCM or TCM will compare the transmission input and output speed in order to determine a system problem. Or if yours does not have VSS get a sender that does. Depending on what trans and what VSS type it uses, it can have different signal. If using a VSS or ECM signal with an 8-pulse speedometer, a SN74 is needed. Eight pulse signal generator for your electronic speedometer head. 4L60E TRANSMISSON CONNECTIONS VSS SENSOR DIST. The VSS signal affects shift timing and feel, and if the sensor is defective or there is a problem in the VSS circuit it can result in improper shift timing, abnormally firm shift feel, no upshifts and no TCC engagement. I've rolled around between -5MPH to +10 MPH and everything in between. I have not been able to get the transmission to shift out of first gear. So I can only assume that the VSS is sending a signal to the FiTech CPU because the Speedometer is registering correctly. There is not much clearance between the top of the transfer case and the floor of the vehicle, so you don't have a lot of room to work. P0500 is a OBDII trouble code that affects the Chevy Tahoe's Vehicle Speed Sensor (VSS). A wiring diagram is a simplified standard photographic representation of an electric circuit. I didn`t even think about the VSS signal. This is a discussion on vss wire within the Automatic Transmission forums, part of the Drivetrain category; I am doing a junk yard swap. vehicle speed signal when the vehicle is parked. I am out of ideas. Ignition power (12v with key in run position) 8. This goes behind your dash and plugs to the head and drives off of your old speedometer cable. The 4l60e operates off given information from VSS, TPS, MAF, etc. 9 Contact closures A & B also can be triacs. GM VSS SENSOR $ 158. If you know your gear, tire and location of your VSS sensor you can calculate this value manually. A vehicle speed sensor, or VSS, is a sensor that is used to determine how fast your vehicle is traveling. If it is not a 94-95, you should be able to put a 91-95 tailshaft housing on your 4L60e. 26 list of tables page # section table # 7 compatible parts for v8 eng 4. Another option is to use the 4L60E’s stock VSS (vehicle speed sensor) signal to drive an electronic speedometer available from several companies, like AutoMeter, Classic Instruments, SpeedHut, and others. The PCM will then output the necessary signals to run the 4l60e. Universal speedometer signal interface. This harness is compatible with 1998-2002 Camaro/Firebird, GTO, and all GM trucks and SUV’s from 1996 to 2006. Two wire pulse signal generator input source; Classic Instruments SN96 or SN95. https://www. LS1 w/4l60e and Jeep Rubicon VSS I know it's not Tuesday, but here goes: I have searched on Pirate, LS1tech, google, bing & yahoo, but still not found a clear answer to the problem I'm having. Assortment of allison transmission wiring schematic. Another option is to use the 4L60E's stock VSS (vehicle speed sensor) signal to drive an electronic speedometer available from several companies, like AutoMeter, Classic Instruments, SpeedHut, and others. I did a search for VSS on the forum, but I didn't see any answers on the best. 4l60e Chevy Tech. The vehicle speed sensor (VSS) sends alternating current (AC) to the VSS Buffer or DRAC (the little white box) at 40 pulses per driveshaft revolution. Toyota Truck & 4 Runner Speedometer Extension Cable $ 89. Plug in the sensor and start your vehicle. - Is there a way to use the stock speedometer with a 4L60e transmission? - What would I use to hook up a 4L60e transmission to my Ididit column for shifting and to allow backup lights and NSS to function? Thanks Doug. Get the Dakota Digital SGI-5E here https://amzn. Extension housing mounted speed sensor 35382B 700R4 Torque converter clutch signal switch 1982-92. 2 13 dash section connections 6. You'd be hard pressed to try and change the gear in the trans. The PCM or TCM will compare the transmission input and output speed in order to determine a system problem. One wire ECM signals input source; Typically a 5 volt. The Cable X is a one-of-a-kind solution to your speedometer problem. When a peice of ferrous metal is moved towards the end of the sensor it changes the shape of the magnetic field in the coil, this changing magnetic field then induces current to flow in the windings of the coil resulting in a small amount of electricity being generated. Or, you could use an electronic speedometer and drive it with a GPS signal. 700r4 or 4l60e Discussion in 'High Tech Retrofits' started by Camaro_73, Jul 24, 2014. I'm in the middle of a 5. 3 swap with a 4L60e transmission and already have most of the parts. Your V3 MicroSquirt ® controller can only supply a logic-level output. P0715 Input/Turbine Speed Sensor Circuit Malfunction P0716 Input/Turbine Speed Sensor Circuit Range/Performance P0717 Input/Turbine Speed Sensor Circuit No Signal P0718 Input/Turbine Speed Sensor Circuit Intermittent P0719 Torque Converter/Brake Switch B Circuit Low P0720 Output Speed Sensor Circuit Malfunction. Your trans will be making the VSS signal out of the tailstock mounted VSS. It is usually equal to the number of teeth on the VSS sensor (depending on the sensor location). This transmission needs 40 pulse per drive shaft revolution (VSS) for proper shifting. If it is 94 or 95, the tail shaft is the same as a 91-93 4L60 (no e). It's getting the Speedometer sensing from a wire from teh PCM (LS1 / 4L60e tranny). 6 volts or -50°C (-46°F). vehicle speed signal when the vehicle is parked. This is useful for the two the folks and for specialists who’re seeking to learn more on how to established up a working environment. 8 Control signal may be pulsed from either the Hot (Source) or Common (Sink) 24 VAC line. The ERA four step wiring is a snap. Changing your tire size or rear gear ratio will make your speedometer inaccurate. TCC PWM solenoid). Similarly a 700r4, TH400 and TH350 uses a governor which by the means of swing weights is the signal used for estimating vehicle speed and the engine vacuum or throttle position indicates engine load. This signal source is generally a speed sender (sometimes called a pulse generator or electronic speedometer pickup) located in the transmission, the vehicle's PCM (power train control module , ECM, computer) or a GPS sender (which can be. The VSS signal connector on the end of the LT1/LT4 harness looks like this: It’s a 2 pin clip-on connector that will only work in the Solenoid lock-out connection, not the VSS connection. I replaced the vehicle speed sensor VSS then unplugged the vehicle speed sensor buffer VSSB (a 3 inch square flat white plastic sensor box) located behind the glove box, I unplugged it and waited 5 minutes before plugging it back in. If you have M6 code in the PCM and set up TunerCat for the correct VSS signal the PCM to the speedo. These two sensors work together to relay information back to the engine control unit. Can be installed inline for both mechanical speedometer and pulse generator. VSS (vehicle speed sensor) on 2WD vehicles is in transmission extension housing, on 4WD vehicles the VSS is in transfer-case. 2005 GMC Yukon Denali 6. This is a 4 wheel drive jeep, and the Atlas transfer case adapter to the 4l60E transmission uses a stock GM speed sensor model VSS239. The vehicle speed sensor (VSS) sends alternating current (AC) to the VSS Buffer or DRAC (the little white box) at 40 pulses per driveshaft revolution. I have not been able to get the transmission to shift out of first gear. For use with: TH700-R4, TH-700, 4L60E, 4L60, 4L65E, 4L70E, 4L70 OE Reference # 8673299 / 24232617 VSS, Output Speed, Large Hole - 2"OD more. Call us today for a free quote (318)-746-1568|877-406-0617. silveradosierra. 24 19 transmission conn. DK BLU/WHT. The VSS signal from the tailstock VSS will be fed to the PCM. Customer Questions & Answers See questions and answers. 4L60E VSS 40 pulse kit for stock GM output shaft $ 264. There is an early and a late model of the 4L60E transmission. VR1 (Vehicle Speed Sensor): This circuit is built as a true VR 'zero-crossing' circuit, to convert the AC signal of a variable reluctor VSS sensor into a square wave signal for the processor. 2 VEHICLE SPEED SENSOR (a) Coat a new O–ring with A/T fluid and install it to the No. tcc is green/yellow, red. Naturally, it seems to implicate the VSS signal to the TCCM is not what it is looking for. Open circuit in harness Sensor signal short to power Damaged sensor Improper harness connection Damaged PCM Using signal simulation, disconnect sensor and simulate 1. I attempted to give it the two extremes ; 12v and 0v to see if that would simulate "truck not moving". What's needed to install a 700-r4 or 4l60e trans behind. VSS mounting-Allison transmission Access our Silverado 2008 Vehicle Speed Sensor (VSS) Repair Guide Location by creating an account or signing into your AutoZone Rewards account. 4l60e air test. P1393 Wheel Speed Sensor 1, G-Sensor Circuit High Voltage. This is a 4 wheel drive jeep, and the Atlas transfer case adapter to the 4l60E transmission uses a stock GM speed sensor model VSS239. and the input signal modified in the programming. doc sensed parameter fault code sensor signal type acceptable operating range and rationality primary malf detection parameters secondary monitoring parameters and conditions fail monitoring time length and frequency of check mil illum. I would have just looked for a 4wd 700r4 but the 4l60E will work since you soruced a complete donor truck and seem to have everything and know what. I have done some searching around and found that aftermarket kits are made for broncos and f150s, but have. Similarly a 700r4, TH400 and TH350 uses a governor which by the means of swing weights is the signal used for estimating vehicle speed and the engine vacuum or throttle position indicates engine load. 700r4 speedo electric to mechanical cable conversion. Ford transmissions will generate 12 pulses per driveshaft revolution. Reflect can use this on these systems if VSS is unavailable. to do this i need a speedo signal though. 4l60e Vss Signal. Of particular interest to those doing a harness swap for a 4WD rig is dealing with the vehicle speed sensor (VSS). Which wire is the vss coming from on the 4l60E tranny. Naturally, it seems to implicate the VSS signal to the TCCM is not what it is looking for. I've rolled around between -5MPH to +10 MPH and everything in between. Vehicle Speed Sensor (VSS) OPERATION. vehicle speed signal when the vehicle is parked. For Tuned Port Injection and Throttle Body Injection with 700R4 Transmission Applications. Retrofit style vehicle speed sensor is ideal for 90-92 TPI swaps where a 4000 pulse per mile / 4 pulse per revolution signal is required. Reflect can use this on these systems if VSS is unavailable. This adapter kit adapts either 2wd or 4wd late model 4L60E with removable bell housing to the GM NP205 with 10 spline male input. 4l60e Bad Wiring Harness. Wiring Diagram contains both illustrations and step-by-step instructions that will enable you to definitely actually build your undertaking. is the least efficient diagram among the electrical wiring diagram. See the chart below for TOSS Locations for Different Transmissions. 4L60E Wiring Harness Diagram | Manual E-Books – 4L60E Wiring Harness Diagram Wiring Diagram includes the two illustrations and step-by-step…. , and India, from which the percentage of motorcycle speed sensor supply is 99%, 1%, and 1% respectively. 23 18 transmission conn. The smoother the solenoid signal, valve for 1993-on 4L60E, 4L65E, 4L70E, 4L75E sensor. This item: Michigan Motorsports Vehicle Speed Sensor VSS Connector Pigtail Harness -Fits GM T5 700R4 4L60 4L60E… $11. 4l60e Torque Converter Shudder. You need a device like this to run a mechanical speedo from a VSS signal. Doesn’t include the cables. Input Speed Sensor, Trans, 4L60E to 4L80E This harness is designed to be a complete wiring system for the fuel injection system used on General. It uses a simple flexible cable to spin the needle, but your new electronic 4L60E only offers a two-wire electrical connection from something called a vehicle speed sensor (VSS). The Terminator needs the VSS feed, but I also need a VSS feed for my speedometer, cruise control & anti-lock brakes. Your ECM is located just under the glove box and does not have the VSS buffer as part of it so it uses the DRAC to process the signal from your VSS before it gets it. P0717 input/turbine speed sensor A circuit no signal If there are other American trucks there the 4L60E transmission is very common. The Transmission Control Unit (TCU) 5. to/2upnKmHIn Canada get the Dakota Digital here https://amzn. The ERA is a "speedometer calibrator" that receives your current speedometer signal from your vehicle speed sensor (VSS) and will recalibrate to the correct speed signal. I would have just looked for a 4wd 700r4 but the 4l60E will work since you soruced a complete donor truck and seem to have everything and know what. Hoping this forum can help: I've built a buggy with a LS1 & 4L60e trans, and a Stak 3 speed with the Jeep Rubicon VSS. The PCM will then output the necessary signals to run the 4l60e. Also, 700-R4 transmissions had mechanical speedometer drive gears in the tailshaft, which were eliminated in the later 4L60E because the vehicles that used that transmission had electronic speedometers that received a signal from the VSS—even the analog ones had electronic movements rather than cable-driven mechanical ones. 4L60E Code (DTC) C1751 Vehicle Speed Sensor # 1 Output Circuit Short to Vbatt 4L60E Code (DTC) C1752 Vehicle Speed Sensor # 1 Output Circuit Short to Gnd 4L60E Code (DTC) C1753 Hydraulic Clutch Actuator Valve Signal Fault. 7/8-18 thread,. VSS mounting-Allison transmission Access our Silverado 2008 Vehicle Speed Sensor (VSS) Repair Guide Location by creating an account or signing into your AutoZone Rewards account. I bought a Digitech VSS divider but this is limited to a divide by 2 so I used 4 D type flip flops after the Digitech to divide the signal down. 4l60e Lost All Gears. To swap the 4L60E you need a computer that will control it based on a VSS Tone ring on the output. T56 Vss Wiring. The transmission VSS puts out a 40 pulse per revolution sine wave AC signal What model speedo do you have? Some of the SW units may not work with the stock PCM signal. Programmable for gear ratio and tire size. I have not been able to get the transmission to shift out of first gear. Input/Turbine Speed Sensor A Circuit No Signal. Electronic speedometers accept an input from some sort of signal source- more on this subject in a bit. I'm installing a Terminator EFI with transmission controller (part # 500-408) in a 1996 K1500 Truck. Many engine management systems can not accept the VR signal that the OE speed sensors produces. Great Lakes 4x4. The 4L60-E transmission uses a vehicle speed sensor mounted to the transmission (or transfer case on 4X4 units). I've rolled around between -5MPH to +10 MPH and everything in between. Don't settle for anything less than the original, the Cable X. The speed sensor is located on the passenger side of the tailshaft and feed vital information to the controller. 7L V-8, 4L60E (rebuilt) has about 32k miles since the rebuild. Toyota Truck & 4 Runner Speedometer Extension Cable $ 89. 4L60E Technical Information. Swapped the left and right sensors and still getting the code. As the output shaft rotates, an AC signal is created. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. 1 VEHICLE SPEED SENSOR CONNECTOR NO. On a 1991 Chevy 350 tbi out of a K5 blazer the VSS was located on the t-case. I purchased this speedometer to use on a street rod project with a 4L60E. The 4L60-E transmission uses a vehicle speed sensor mounted to the transmission (or transfer case on 4X4 units). This goes behind your dash and plugs to the head and drives off of your old speedometer cable. There are a few options when selecting a passenger side drop transfer case that will mate with the 4L60e. The function of each is very different. 5 out of 5. Mounted to the output shaft is a 40 toothed wheel. ls2/ls3/vortec 24x w/ 4l60e/4l80e automatic harness with ev1 injectors instructions (drive by cable) har-1054. 7/8-18 thread,. This is caused because the VSS signal from the sensor is also an AC. 4l60e air test. Reverse the meter leads and measure the. You need a device like this to run a mechanical speedo from a VSS signal. For Tuned Port Injection and Throttle Body Injection with 700R4 Transmission Applications. It is less expensive and more reliable a Cable X. Vehicle Speed Sensor (VSS) OPERATION. Gm vss signal. I also managed to fit the -75-80 speedo face on to it. 1 8 compatible parts for v6 eng 4. It uses a simple flexible cable to spin the needle, but your new electronic 4L60E only offers a two-wire electrical connection from something called a vehicle speed sensor (VSS). This signal is sent to a VSS buffer on all nonpassenger-car applications. The PCM converts the VSS signal, either 40 or 17 to 4000 pulses per mile signal to the dash speedometer circuitry based on the PCM setup for VSS pulse rate. The 4l60E is just an 700R4 that GM add electronics to for shifting and other crap. 4L60E/4L65E/4L70E applications equipped with an input speed sensor may exhibit a hard/erratic shift complaint accompanied by P0716 and/or P0717 DTC stored in memory. Encased in a metal, 4. Axle Switch Signal 20 LT GRN/BLK 822 VSS Low Signal 21 PPL/WHT 821 VSS High Signal 22 RED/BLK 1230 AT ISS High Signal 23 DK BLU/WHT 1231 AT ISS Low Signal 24----Not Used 25 TAN 472 IAT Sensor Signal 26 PPL 2121 IC 1 Control 27 RED 2127 IC 7 Control 28 LT BLU/WHT 2126 IC 6 Control 29 DK GRN/WHT 2124 IC 4 Control 30----Not Used 31 YEL 492 MAF. 3 V6 and we swapped it out for a 5. 8 Control signal may be pulsed from either the Hot (Source) or Common (Sink) 24 VAC line. Also, what do I set Minimum Signal Voltage? I was setting it up as Digital Speed initially, but read 2-wire VSS is IPU speed. and here is how! DO NOT ATTEMPT THIS IF YOU HAVE EMISSIONS! Transmission Control Via TBI PCM: First off, Here is what the PCM needs to operate the 4L60E -VSS -CTS -TPS -A RPM Signal Now i. This signal is sent to a VSS buffer on all nonpassenger-car applications. 700R / 4L60 / 4L60E 40 Pulse Clamp on GM Tone Ring $ 57. Most Common Symptoms of a Faulty Engine Speed Sensor. Similarly a 700r4, TH400 and TH350 uses a governor which by the means of swing weights is the signal used for estimating vehicle speed and the engine vacuum or throttle position indicates engine load. A 500 resistor converts the 4 to 20 mA control signal to 2 to 10 VDC. 6 Transmission Shifting How to Repair 2006 Turbine Input Shaft Speed Sensor 4L60E. Call us today for a free quote (318)-746-1568|877-406-0617. 4L60E Performance Specs. If you have M6 code in the PCM and set up TunerCat for the correct VSS signal the PCM to the speedo. 1 VEHICLE SPEED SENSOR CONNECTOR NO. This item: Michigan Motorsports Vehicle Speed Sensor VSS Connector Pigtail Harness -Fits GM T5 700R4 4L60 4L60E… $11. The CRS-3000-4165 kit includes a magnetic drive shaft senders where magnets SEN-4165 are attached to the drive shaft to create a speed signal. If using a VSS or ECM signal with an 8-pulse speedometer, a SN74 is needed. For more information, make sure to. This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to all 1996-newer vehicles (Ford, Honda, Mazda, Mercedes, VW, etc. Which wire is the vss coming from on the 4l60E tranny. For Tuned Port Injection and Throttle Body Injection with 700R4 Transmission Applications. Likewise, a 4-pulse speed sensor puts out 4000 pulses per mile. P0717 input/turbine speed sensor A circuit no signal If there are other American trucks there the 4L60E transmission is very common. It puts out 8000 pulses per mile. C4 (Grey) PCM 24 Pin Connector; Pin Wire Color Description; 1: Dark Green w/ White stripe: Fuel Pump Relay Control: 2---Empty: 3: Dark Green w/ White stripe: VSS Output Signal (TCCM, Radio, Cruise). This is particularly true for CMOS opamps. Programmable for gear ratio and tire size. 2 VEHICLE SPEED SENSOR (a) Coat a new O–ring with A/T fluid and install it to the No. I bought a Digitech VSS divider but this is limited to a divide by 2 so I used 4 D type flip flops after the Digitech to divide the signal down. The Box is sealed and can be installed in the dash or under the hood. As the output shaft rotates, an AC signal is created. This sensor's signal, along with the vehicle speed sensor, is used by the TCM to provide optimal shift timing. 47 Tech Vault. If it is 94 or 95, the tail shaft is the same as a 91-93 4L60 (no e). You are being redirected. If only there were a little computer you could slap on your firewall that could connect your electronic fuel injection with your fancy new 4L60E, 4L65E, 4L80E, or 4L85E transmission. Hi Guys A few more questions for the future 5. COMPUSHIFT provides an output signal for driving speedometers. The trans wouldnt shift until redline and then it would shift really hard. Thread Status: Not open for further replies. The D-LUX View uses the latest technology and software so you can setup your remote monitoring connection, which you will use to setup up the device on the app. The PCM converts the VSS signal, either 40 or 17 to 4000 pulses per mile signal to the dash speedometer circuitry based on the PCM setup for VSS pulse rate. I did buy a TCI driver to work with the VSS signal from the transmission but I went this route instead. It is usually equal to the number of teeth on the VSS sensor (depending on the sensor location). Transmissions plug pin identification 1995 and up. Our 1998 and up 4L60E, 4L65E , and 4L70E conversion keeps your VSS fully functional and ads a cable drive to your tail housing. ) or hall effect technology. The net effect is the same as the optoisolator in the standard circuit, so you use the same setting. 7L V-8, 4L60E (rebuilt) has about 32k miles since the rebuild. P0717 Input Turbine Speed Sensor Fix code P0717 Input Turbine Speed Sensor Circuit No Signal. To add a second VSS for the 4L80 it seems that a second VSS is added, however commonly done with twisted pair, rather than shielded. Vehicle Speed Sensor VSS T56 4L60E 4L80E Connector Pigtail for GM LT1 LT4 LS1 LS6 LS2 LS3 LS7 and many other VSS applications EFI 24x Crank and Cam Signal Kit w. The VSS sends a signal to the engine's computer letting it know how fast that the vehicle is going. There are two (2) common locations for the Transmission Output Speed Sensor (TOSS), depending on whether the vehicle is two- or four-wheel-drive. Axle Switch Signal 20 LT GRN/BLK 822 VSS Low Signal 21 PPL/WHT 821 VSS High Signal 22 RED/BLK 1230 AT ISS High Signal 23 DK BLU/WHT 1231 AT ISS Low Signal 24----Not Used 25 TAN 472 IAT Sensor Signal 26 PPL 2121 IC 1 Control 27 RED 2127 IC 7 Control 28 LT BLU/WHT 2126 IC 6 Control 29 DK GRN/WHT 2124 IC 4 Control 30----Not Used 31 YEL 492 MAF. is the least efficient diagram among the electrical wiring diagram. What does that mean?. to/2upnKmHIn Canada get the Dakota Digital here https://amzn. I bought a Digitech VSS divider but this is limited to a divide by 2 so I used 4 D type flip flops after the Digitech to divide the signal down. Compatible with most popular GM transmissions, including the 4L60E, 4L65E, 4L80E and 4L85E, and the TCI ® 6x Six-Speed Transmission. The actual gear ratio is then compared to the desired gear ratio. You don't NEED VSS, but it will run better with some signal to at least tell the PCM the vehicle is moving. A stock 700R4/4L60E will be limited to around 450 horsepower. So I can only assume that the VSS is sending a signal to the FiTech CPU because the Speedometer is registering correctly. The T56 magnum VSS connection is on the passenger side, opposite the lock-out connection as shown below:. Joined Jan 11, 2006 · 11,843 Posts. 25 20 fuse identification 6. As the output shaft rotates, an AC signal is created. As an aid to the. Plug in the sensor and start your vehicle. I did a search for VSS on the forum, but I didn't see any answers on the best way to do this for the Terminator EFI. A 40 pulse per driveshaft revolution speed sensor is used on 1993 and newer trucks with automatic transmissions, plus 1994 and newer rear wheel drive cars with automatic transmissions. I have done some searching around and found that aftermarket kits are made for broncos and f150s, but have. So I installed a 9 inch on my 2000 Explorer. So the speedometer signal from PCM to speedo is always the same for the A4 or the M6. Once you sign in, follow these instructions to access our Repair Guides. The tach lead on the distributor cap (carbureted engines) 7. The 4L60-E transmission uses a vehicle speed sensor mounted to the transmission (or transfer case on 4X4 units). Test for any power, as well as ground from the computer. A wide variety of motorcycle speed sensor options are available to you, There are 705 suppliers who sells motorcycle speed sensor on Alibaba. DK BLU/WHT. 25 20 fuse identification 6. If you have a P0717 Input Turbine Speed Sensor Circuit No Signal trouble code, this post will help you understand what it is and how to fix it. I purchased this speedometer to use on a street rod project with a 4L60E. Great Lakes 4x4. 6 volts or -50°C (-46°F). I am out of ideas. After registering data, the two transmission speed sensors, also commonly referred to as a vehicle speed sensors (VSS), send data to the powertrain control module (PCM), which compares these two inputs and calculates which gear the transmission should engage for efficient driving. DTC P0717, Input Speed Sensor Circuit Low Voltage, is designed to detect a low signal voltage from the ISS. if you dont know where to find the wire and you have to ask a forum i would recommend the you get a prfessional to install it for you. 6-14-17 Update: This is a ground up rebuild of the app. I'm getting a C0045 code on my 2011 Traverse. See Figure 1 for the pin out of required connections. the 4L60E/4L80E has a 40 tooth VSS. (Except Ford transmissions, which do not require a SN74) The SN74 setup is dip switch 3 ON and 1, 2, 4 OFF for a VSS signal. CEL had been on, intermittently, always threw different codes, but I lost third gear driving home last Friday. Don't settle for anything less than the original, the Cable X. The 4L60E generates only an electronic vehicle speed output (vehicle speed sensor – VSS), but there are various ways to make this work. Hi Guys A few more questions for the future 5. If your vehicle's speedometer stops working or isn't telling you the correct speed that you're traveling, you likely have a faulty VSS. 4L60E Code (DTC) C1751 Vehicle Speed Sensor # 1 Output Circuit Short to Vbatt 4L60E Code (DTC) C1752 Vehicle Speed Sensor # 1 Output Circuit Short to Gnd 4L60E Code (DTC) C1753 Hydraulic Clutch Actuator Valve Signal Fault. 700R / 4L60 / 4L60E 40 Pulse Clamp on GM Tone Ring $ 57. 4l60e Vss Signal. Your ECM is located just under the glove box and does not have the VSS buffer as part of it so it uses the DRAC to process the signal from your VSS before it gets it. I've changed the wheel sensor and cleaned the magnetic ring. My friend and I have a 94 Gmc 1500. 4L60E VSS 40 pulse kit for stock GM output shaft $ 264. The VSS signal from the tailstock VSS will be fed to the PCM. , and India, from which the percentage of motorcycle speed sensor supply is 99%, 1%, and 1% respectively. It is less expensive and more reliable a Cable X. Shielding is to eliminate EMI noise on signal cabling, whereas twisted pair will create inductance on the line. Doesn’t include the cables. Input Speed Sensor (ISS) on 4L80E 4. Generally this means a 0 or 5 Volt signal that changes from one of these levels to the other at appropriate times (generally to initiate dwell and spark). The PCM converts the VSS signal, either 40 or 17 to 4000 pulses per mile signal to the dash speedometer circuitry based on the PCM setup for VSS pulse rate. 2007 and later models equipped with the input speed sensor require. Solenoids,Manifold Pressure Switches,TCC Solenoids,Electronic Pressure Control,Wiring Harnesses, Pigtails,Transmission Rebuild Parts,High Performance, Car Repair, Shreveport, Bossier auto repair, transmission rebuild, & online store. 4L60E/4L65E/4L70E applications equipped with an input speed sensor may exhibit a hard/erratic shift complaint accompanied by P0716 and/or P0717 DTC stored in memory. The Box is sealed and can be installed in the dash or under the hood. 2 VEHICLE SPEED SENSOR CONNECTOR 2. Wiring Diagram contains both illustrations and step-by-step instructions that will enable you to definitely actually build your undertaking. 99 4L60E Wiring – Wiring Diagrams Hubs – 4L60E Wiring Diagram. 0l 24x drive by cable instructions. 1350 NON CV VSS TAILHOUSING RELUCTOR KIT for any given moment. The original VSS was located in the rear end. So I installed a 9 inch on my 2000 Explorer. ICT Billet VSS Wire Connector Pigtail LS Vehicle Speed Sensor LS1 Plug T56 4L60e 4L80e Transmission Swap OEM Color TXL LS2 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 WPVSS30 4. A low range switch is used on 4WDs to send a signal to the computer that the VSS must be adjusted for the transfer case low ratio. P0715 Input/Turbine Speed Sensor Circuit Malfunction P0716 Input/Turbine Speed Sensor Circuit Range/Performance P0717 Input/Turbine Speed Sensor Circuit No Signal P0718 Input/Turbine Speed Sensor Circuit Intermittent P0719 Torque Converter/Brake Switch B Circuit Low P0720 Output Speed Sensor Circuit Malfunction. to/2upnKmHIn Canada get the Dakota Digital here https://amzn. A faulty speed sensor can cause all sorts of strange problems in your car. The Cable X is a one-of-a-kind solution to your speedometer problem. Most ABS speed sensors are simple electromagnetic sensors translating the motion of a toothed ring on the back of the wheel into an AC voltage whose Voltage and Frequency are proportional to the wheel speed. no matter what motor you have, you will have a 4l60e transmission. He wants to keep the stock speedometer, so we did the 8k ppm vehicle speed sensor. 3/4L60e swap into a 1957 Chevy. If using a VSS or ECM signal with an 8-pulse speedometer, a SN74 is needed. LS1 w/4l60e and Jeep Rubicon VSS I know it's not Tuesday, but here goes: I have searched on Pirate, LS1tech, google, bing & yahoo, but still not found a clear answer to the problem I'm having. 4L60E Technical Information. The 90 to 93 TPI uses a different signal. Vehicle Speed Sensor (VSS) Reference Low. The PCM will then output the necessary signals to run the 4l60e. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Rostra is a leading manufacturer of automotive comfort, safety, and convenience accessories including electronic cruise control systems, LED lighting, exterior vehicle camera systems, automotive lumbar supports and seat heaters, add-on navigation systems, driver alert systems, and so much more!. The ERA is a "speedometer calibrator" that receives your current speedometer signal from your vehicle speed sensor (VSS) and will recalibrate to the correct speed signal. Splice two wires into your new gauge all it's looking for is a pulse signal typically once you start calibrating you tell it you're not moving then hit the button again and drive for exactly one mile this calibrates the speedo. 4l60e To 4l80e Swap 4x4. Encased in a metal, 4. You don't NEED VSS, but it will run better with some signal to at least tell the PCM the vehicle is moving. The sensor must have a good power supply and ground to operate. This signal is sent to a VSS buffer on all nonpassenger-car applications. Load information of your engine is commonly taken primarily from the TPS (throttle position sensor) or the MAP sensor (manifold absolute pressure) controlling transmission shifting and downshifting when stepping on the gas. TFMPRS It will increase as engine torque increases and also spike before and during TCC Lock up. If it is not a 94-95, you should be able to put a 91-95 tailshaft housing on your 4L60e. ICT Billet VSS Wire Connector Pigtail LS Vehicle Speed Sensor LS1 Plug T56 4L60e 4L80e Transmission Swap OEM Color TXL LS2 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 WPVSS30 4. The vehicle speed sensor (VSS) sends alternating current (AC) to the VSS Buffer or DRAC (the little white box) at 40 pulses per driveshaft revolution. 2 VEHICLE SPEED SENSOR REPLACEMENT 1. All 700R4's from 1984 to 1992 used a 4 pulse sine wave output. speed sensor sen-01-5 16k ppm +12v constant power (fused 5 - 20 amp max) bare r l l utput clock panel +12v light or buzzer (4 watts or less) +12v light or buzzer (4 watts or more) relay buzzer reserved (see manual) sig gnd pwr sig gnd drn sig gnd sig gnd pwr sig gnd spd out tach out cruise tach tach warn ignition pwr 12 vdc constant ground. vehicle speed signal when the vehicle is parked. The L indicates that the engine is longitudinally positioned. 4L60E / 700R4 early type speed sensor (VSS). A 40 pulse per driveshaft revolution speed sensor is used on 1993 and newer trucks with automatic transmissions, plus 1994 and newer rear wheel drive cars with automatic transmissions. I got the VSS working off the 4L60e the only issue I had was the need to divide the signal by 64, the 4L60e uses 128,000 ppm and the Cruise Control needs 2000ppm. Get the Dakota Digital SGI-5E here https://amzn. Best to put a aftermarket electric water temp guage with new sensor, as the vl dash guage will give you a wrong reading with the orignal sensor on the motor. Transmissions plug pin identification 1995 and up. 5 out of 5 stars 31 $14. If installing on any vehicle that does not have an electronic Vehicle Speed Sender (VSS) or does not have a GM- type speedometer cable please order the CRS-3000-4165. I would have just looked for a 4wd 700r4 but the 4l60E will work since you soruced a complete donor truck and seem to have everything and know what. 0V on sensor signal circuit. At least on GM muscle cars, your original cable will screw right on to tail housing. The SN74 setup for an ECM speed signal is dip switch 1, 2 and 3 ON. One speed sensor is called the input shaft speed sensor and the other is the output shaft speed sensor. BigStuff3 offers a driveshaft speed sensor assembly under part number JMI-007-014 (see photo below). So I have an 06 L-33 coming for my donor engine for the 65 El Camino. The vehicle speed sensor outputs a 4 pulse signal for every revolution of the rotor shaft, which is rotated by the transmission output shaft via the driven gear. Related Transmission Vehicle Speed Sensor Content 1990 Gmc Sierra Vss Signal Buffer Hi Folks, Great Website, My Problem Is : I Need To Lknow Where The Vss Signal Buffer Is. I have done some searching around and found that aftermarket kits are made for broncos and f150s, but have. 4L60E Performance Specs. Encased in a metal, 4. Click here to order. Later model 700R4’s. May God's grace bless you in the Lord Jesus Christ. The VSS will generate a pulse signal based on driveshaft revolution and can be used with some electronic speedometers and/or engine control systems. Research GMC before buying or leasing by reviewing expert ratings, in-depth reviews, and comparisons of 2019-2021 models. Discussion Starter • #1 • Dec 9, 2007. Check the power (Pin “E”) and ground (Pin “V”) supplied to the. 2005 GMC Yukon Denali 6. I need to get it smogged and cannot do so due to a check engine light because of the vss sensor. Vehicle speed sensor accuracy is vital. Vehicle Speed Sensor (VSS) Reference Low. The 4L60E naming also indicates a lot about the transmission. A vehicle speed sensor, or VSS, is a sensor that is used to determine how fast your vehicle is traveling. Symptoms Possible sumptoms of OBD code P0717 Hummer. The ERA installation is a snap with only four wires (+12v, ground, speed input, speed output). I didn`t even think about the VSS signal. 4L60E Wiring Harness Diagram April 4, 2019 April 12, 2020 · Wiring Diagram by Anna R. It will not directly control a coil. The SN74 setup for an ECM speed signal is dip switch 1, 2 and 3 ON. 4l60e Bad Wiring Harness. Take a look at our new tech video highlighting the 4L60E input speed sensor and other tips to help you at the workbench. These two sensors work together to relay information back to the engine control unit. 4l60 4l60e 4l30e automatic gearbox workshop service manual GMC Savana - Chevrolet Express 1996-2002 Factory service Workshop repair Manual 1997 Chevrolet Express 2500 Service & Repair Manual Software. Retrofit style vehicle speed sensor is ideal for 90-92 TPI swaps where a 4000 pulse per mile / 4 pulse per revolution signal is required. 4L60E/4L65E/4L70E applications equipped with an input speed sensor may exhibit a hard/erratic shift complaint accompanied by P0716 and/or P0717 DTC stored in memory. 0V on sensor signal circuit. ls2/ls3/vortec 24x w/ 4l60e/4l80e automatic harness with ev1 injectors instructions (drive by cable) har-1054. Yes, the 4L60E that would have been behind the LT1 is a 40 PPR signal, ECM output to speedo is 4000PPM 2004R used 2 or 4 PPR signal, depending on original trans year/usagenot sure how you are going to address that with the ECM as the ECM generates the PPM signal for the speedo. ) For EFI equipped vehicles tap into the SIGNAL ONLY. 22 18 a/t input speed & vss sensor, transmission conn. Order Vehicle Speed Sensor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. The input speed sensor is a hall switch. We hope you find what you are searching for!. and the input signal modified in the programming. 4l60e Lost All Gears. If installing on any vehicle that does not have an electronic Vehicle Speed Sender (VSS) or does not have a GM- type speedometer cable please order the CRS-3000-4165. Similarly a 700r4, TH400 and TH350 uses a governor which by the means of swing weights is the signal used for estimating vehicle speed and the engine vacuum or throttle position indicates engine load. What does that mean?. Note that some of the VSS/VR1 components may need to be changed after assembly in order to get a clean VSS signal, depending on your installation. The PCM reads the speed of the vehicle to determine transmission shifting points. 4L60E Technical Information. Some of the early 4L60E transmissions will accept a 700R4 tail shaft and drive gear to run the speedo but will need a sensor on the cable to send a signal to the ECM. The vehicle speed sensor (VSS) sends alternating current (AC) to the VSS Buffer or DRAC (the little white box) at 40 pulses per driveshaft revolution. Joined Jan 11, 2006 · 11,843 Posts. A wiring diagram is a simplified standard photographic representation of an electric circuit. Mounted to the output shaft is a 40 toothed wheel. 22 18 a/t input speed & vss sensor, transmission conn. 4L60E / 4L65E / 4L70E 4wd Clamp. Vehicle Speed Sensor (VSS) is highly recommended. 3 swap with a 4L60e transmission and already have most of the parts. P0500 is a OBDII trouble code that affects the Chevy Tahoe‘s Vehicle Speed Sensor (VSS). 5 out of 5 stars 31 $14. SPEEDBOX™ GPS/VSS to Mechanical Drive Speed Converter (Cable Included) G-SNDR-SB-22. GM installed a VSS sensor in the transfer case on 4x4 models and in the tailhousing on 2WDs. You are being redirected. So I can only assume that the VSS is sending a signal to the FiTech CPU because the Speedometer is registering correctly. 2005trans6_4l60e. Speedometer gear calculator". Splice two wires into your new gauge all it's looking for is a pulse signal typically once you start calibrating you tell it you're not moving then hit the button again and drive for exactly one mile this calibrates the speedo. The difference is the addition of the "Lockup Feel" solenoids (aka. What's needed to install a 700-r4 or 4l60e trans behind. com, mainly located in Asia. Green with black trace: Not required. to/2upnKmHIn Canada get the Dakota Digital here https://amzn. 7 350 that was carburated. A 40 pulse per driveshaft revolution speed sensor is used on 1993 and newer trucks with automatic transmissions, plus 1994 and newer rear wheel drive cars with automatic transmissions. Vehicle Speed Sensor (VSS) is highly recommended. Ignition power (12v with key in run position) 8. Crankshaft Position Sensor Signal. Or if yours does not have VSS get a sender that does. It's getting the Speedometer sensing from a wire from teh PCM (LS1 / 4L60e tranny). A: 1-2 shift solenoid ground signal. I need to split the VSS signal and send one feed to the Terminator and one feed to the stock PCM. 24 19 transmission conn. You need a device like this to run a mechanical speedo from a VSS signal. Typically a sine wave signal. Mounted to the output shaft is a 40 toothed wheel. Gm vss signal. We hope you find what you are searching for!. The VSS signal from the tailstock VSS will be fed to the PCM. 4L60E Technical Information. However, read this link and see if it helps: 4l60e Problems and Solutions - S-10 Forum Might be time for a reco box. this is just a beefed up 700r4, electronic controlled. to/2upnKmHIn Canada get the Dakota Digital here https://amzn. 4l60e Vss Signal. After registering data, the two transmission speed sensors, also commonly referred to as a vehicle speed sensors (VSS), send data to the powertrain control module (PCM), which compares these two inputs and calculates which gear the transmission should engage for efficient driving. T56 Vss Wiring. AC Delco (8673299/24232617) TH700/4L60/E Vehicle Speed Sensor For Large Extension Housing (Up To 1995). So I can only assume that the VSS is sending a signal to the FiTech CPU because the Speedometer is registering correctly. Doesn’t include the cables. 4L60E / 700R4 early type speed sensor (VSS). Tristar Racing Products GM 4L60e to 4L80e Transmission Conversion Harness kit allows you to convert your existing 4l60e transmission to a 4l80e transmission. 6 volts or -50°C (-46°F). Swapped the left and right sensors and still getting the code. There are a few options when selecting a passenger side drop transfer case that will mate with the 4L60e. Our transmission on our 2004 Chevy Trailblazer 4. Hi Guys A few more questions for the future 5. So the speedometer signal from PCM to speedo is always the same for the A4 or the M6. Extension housing mounted speed sensor 35382B 700R4 Torque converter clutch signal switch 1982-92. Two-wheel-drive vehicles usually have a TOSS on the output snout or rear section of the transmission. Similarly a 700r4, TH400 and TH350 uses a governor which by the means of swing weights is the signal used for estimating vehicle speed and the engine vacuum or throttle position indicates engine load. P1395 Wheel Speed Sensor 2, G-Sensor Circuit. The Transmission Control Unit (TCU) 5. With the 4L60E bolted to your GM motor all that is left is making the wiring connections. It shows the components of the circuit as simplified shapes, as well as the power and also signal connections between the tools. Higginbotham …also include materials you may have to total simple tasks. One wire ECM signals input source; Typically a 5 volt. My friend and I have a 94 Gmc 1500. If you have M6 code in the PCM and set up TunerCat for the correct VSS signal the PCM to the speedo. Check the power (Pin “E”) and ground (Pin “V”) supplied to the. See Figure 1 for the pin out of required connections. The PCM has a base frequency stored in memory for a distance of one mile. Tags: 1993 4l60e wiring diagram, 1994 4l60e wiring diagram, 1995 4l60e wiring diagram, 2004 4l60e wiring diagram, 4l60e plug wiring diagram, 4l60e tcc wiring diagram, 4l60e vss wiring diagram, 4l60e wiring diagram, 4l60e wiring harness diagram, 95 4l60e wiring diagram 4L60E Transmission Wiring Diagram. The PCM will then output the necessary signals to run the 4l60e. It is less expensive and more reliable a Cable X. You also need a vss signal. VR1 (Vehicle Speed Sensor): This circuit is built as a true VR 'zero-crossing' circuit, to convert the AC signal of a variable reluctor VSS sensor into a square wave signal for the processor. I did a search for VSS on the forum, but I didn't see any answers on the best. 4L60E Performance Specs. P0715 Input/Turbine Speed Sensor Circuit Malfunction P0716 Input/Turbine Speed Sensor Circuit Range/Performance P0717 Input/Turbine Speed Sensor Circuit No Signal P0718 Input/Turbine Speed Sensor Circuit Intermittent P0719 Torque Converter/Brake Switch B Circuit Low P0720 Output Speed Sensor Circuit Malfunction. So solve it today, by giving us a call FREE at: 1-800-643-5973. TH350-400 | 4L60E | Ring & Speed Sensor LR4 - LM 7 - LQ4 This VSS sensor and clamp on ring is designed for the customer placing an LT1, LS2, LS3,LS9 or any Vortec engine into a car or truck / off-road. Call us today for a free quote (318)-746-1568|877-406-0617. This harness is compatible with 1998-2002 Camaro/Firebird, GTO, and all GM trucks and SUV’s from 1996 to 2006. Speedo Sender FOR ELEC TRANS 4L60E USED WITH ECM OR VSS Signal Speedo Sender 4L60E. The Tahoe uses this signal for many vehicle functions. The TPSS1 is designed as a direct physical replacement for your stock VR (2 wire) speed sensor. Swapped the left and right sensors and still getting the code. Our 1998 and up 4L60E, 4L65E , and 4L70E conversion keeps your VSS fully functional and ads a cable drive to your tail housing. The old TBI speed sensor is just a 4 pulse and the 4L60e needs a 40 pulse to shift. See the chart below for TOSS Locations for Different Transmissions. 13-16 -- -- Not Used. Test for any power, as well as ground from the computer. There are two (2) common locations for the Transmission Output Speed Sensor (TOSS), depending on whether the vehicle is two- or four-wheel-drive. sys is not a VSS provider and is independent from VSS). This signal should be used when you have an existing OEM speedometer or engine control computer that uses the TOSS sensor. DTC P0716, Input Speed Sensor Performance, is designed to detect an unrealistic large change in the ISS speed (rpm). ” The 700R4 represents a Rubicon between the old and new – while it gained an additional overdrive fourth gear and lockup torque converter capability over its TH350 ancestor, it retained mechanical, rather than. There are substantial improvements in functionality and stability. Subsequently, question is, where is the speed sensor located on a 4l60e transmission? The transmission connector is located on the passenger side of the 4L60E transmission housing and on the driver side of the 4L80E transmission housing. The PCM has a base frequency stored in memory for a distance of one mile. Built 4l60e vs 4l80e Built 4l60e vs 4l80e. boggin-machine · Registered. Depending on what trans and what VSS type it uses, it can have different signal. The VSS signal is the output of a variable reluctance sensor. The Corvette ECM does not have a high VSS, and low, just one. 10 For triac sink the Common connection from the actuator. I replaced the vehicle speed sensor VSS then unplugged the vehicle speed sensor buffer VSSB (a 3 inch square flat white plastic sensor box) located behind the glove box, I unplugged it and waited 5 minutes before plugging it back in. If using a VSS or ECM signal with an 8-pulse speedometer, a SN74 is needed. CONNECTIONS (connects to the short harness from your distributor to the intake next to the injectors) KNOCK SENSOR BOTH FORWARD RUNNING O2 SENSORS IGNITION COIL CONNECTIONS INJECTORS 1,2,3,4,5,6,7,8 CONNECTIONS ON PCM SIDE RED, BLUE, CLEAR, & BLACK 32 PIN PCM CONNECTORS ALDL OBD1 DIAGNOSTIC CONNECTION. This system does NOT require the use of the input shaft speed sensors on the 4L65E or the 4L80E/85E transmissions. 4l60e air test. ) or hall effect technology. I put her up on jack stands and I hooked up a scope to the VSS. DTC P0717, Input Speed Sensor Circuit Low Voltage, is designed to detect a low signal voltage from the ISS. 4l60e Torque Converter Shudder. A faulty speed sensor can cause all sorts of strange problems in your car. The speed sensor is located on the passenger side of the tailshaft and feed vital information to the controller. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. 25" box, the Cable X is designed to take care of any vehicle speedometer conversion. Depending on the year of the transmission, you may be able to install the original VSS, and VSS gear set. The Terminator needs the VSS feed, but I also need a VSS feed for my speedometer, cruise control & anti-lock brakes. These two sensors work together to relay information back to the engine control unit. The VSS signal is the output of a variable reluctance sensor.