Question about 2001 GMC Jimmy

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Trying to install navigation system which requires a connection to the vss wire at the engine computer. Need to locate wire. GMC 2001 Jimmy 4WD

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  • g_man357 Sep 13, 2009

    is this referring to signal wires leading from vss sensor at transfer case or signal wires leading from PCM.
    I need to locate leads from PCM,

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On connector c2 red conector-terminal #21 purple with white stripe is vss high signal wire---terminal #20 light green wire with black stripe is low vss signal wire-- GOOD LUCK

Posted on Sep 12, 2009

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2000 GMC Jimmy 4×4 The ABS light is on, the speed odometer does not work, and it does shift out of 1st gear, if I manually put it into second gear then it will shift fine, it has a changed VSS


Did you have it check for DTC'S - diagnostic trouble codes ?
Speedometer
The speedometer is an analog gauge that is located in the instrument cluster. The PCM/VCM receives an analog input from the vehicle speed sensor and converts it to a digital signal containing 4,000 pulses per mile (PPM) for the instrument cluster.
The PCM/VCM sends this digital output (4,000 PPM) to the instrument cluster on a designated circuit. These pulses can be measured in Hertz (Hz) using a digital multimeter (DMM) on the AC scale. The PCM/VCM calibration is matched to the final drive and tire size of each vehicle. If the final drive or tire size is changed for any reason, the PCM/VCM must be updated in order to match the new final drive or tire size. If not, the signal will not be accurate for proper speedometer/odometer operation. An incorrect signal can affect the antilock brakes and the cruise control systems.
The speedometer system consists of the instrument cluster, vehicle speed sensor (VSS), PCM/VCM and related wiring. The VSS is a permanent magnet signal generator that sends an analog signal proportional to the propeller shaft speed to the PCM/VCM. The VSS mounts to the transmission tailshaft extension housing on 2-wheel drive (2WD) models and the transfer case output shaft housing on 4-wheel drive (4WD) models.
Repairs to the instrument cluster can only be performed by an authorized instrument cluster service center. DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input and DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent in Automatic Transmission - 4L60-E
- DTC P0500 Vehicle Speed Sensor (VSS) Circuit in Engine Controls - 4.3L Important: If the instrument cluster is completely inoperative, refer to Instrument Cluster Inoperative .
Install a scan tool.
Raise the vehicles drive wheels. Refer to Lifting and Jacking the Vehicle in General Information.
Start the engine.
Place the transmission into drive for automatic transmission and third gear for manual transmission.
Compare the displayed vehicle speed on the Instrument Cluster with the monitored speed on the scan tool.
Does the vehicles speedometer and the scan tool both display 0 km/h (0 mph)? You really need a Factory scan tool or equivalent to check this . The VSS is an input to the PCM/VCM . engine computer . You can test with a DVOM - digital volt ohm meter , for signal to engine computer .
I know most people don't like hearing this , but I suggest you take it to a ASE certified repair facility .

Feb 21, 2016 | GMC Cars & Trucks

1 Answer

On my 1999 gmc jimmy the lights on 4wd switch are out and 4wd wont engage. the switch is good(tried it in my 2001 Sonoma)and the 2 switches at transfer case were changed still nothing. Any clues?


On my 01 Yukon it was the switch in the dash. I took it apart abd found several bad soldier Joints. I found the same problem in the rear AC controller module. You can buy a new module or take yours apart

Sep 17, 2014 | 1999 GMC Jimmy

1 Answer

I have a 2001 GMC Jimmy 4WD. I cannot fill up my


Those hoses are located in the same area as the tank filler. There is a set of hoses that go from the gas cap connection to the tank. You have to lower the tank.

Aug 02, 2013 | 2001 GMC Jimmy

2 Answers

Where is the speed sensor located on a 93 jimmy 4.3 4x4 and is there any sensor on ****** that would be involved or cables?


The vehicle speed sensor(VSS)is located on left rear of transfer case on 4x4( 4wd) 1993 jimmy.Ensure ignition is off.Raise and support vehicle .Disconnect VSS electrical connector.Place a container under VSS mounting area, to catch transmission fluid when VSS is removed.---- On 4wd the VSS is threaded,un-thread VSS from transfer case.Then remove VSS and O-ring.Installation in reverse.--------- This will help.Thanks.Helpmech.

Aug 05, 2011 | GMC Jimmy Cars & Trucks

1 Answer

2001 GMC Jimmy 4WD. It wants to kick out of 2wd Hi and sounds like the gears are grinding. I have to put it into four hi to get it to pop in and then stop and put it back into two. Changed the actuator and...


These somtimes have problems with wirering at connection for 4wd modual. It should be located in pass. side kick panel. Wiggle wires and connector and see if problem occures. Problem sometimes located in connector.

Apr 08, 2011 | 2001 GMC Jimmy

2 Answers

Looking for the fireing order for my 1993 jimmy 4.3 votek moter


Here is the firing order for that vehicle and engine, however, some people can not figure it out (color coding and numbers seem to be too complicated for some) and have given low ratings for this diagram, and I will probably stop giving out this firing order. Let me know if you need help to understand this diagram, or require any further assistance.



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Aug 05, 2010 | 1993 GMC Jimmy

1 Answer

Where is the fuel filter on my 2001 jimmy 4dr


2001 GMC Truck Jimmy 4WD 4.3L SFI 6cyl
The Fuel Filter is located under vehicle, driver side, below seating area, near fuel tank, mounted on frame rail in fuel line .

Good luck (remember rated and comment this help).

Mar 23, 2010 | 2001 GMC Jimmy

1 Answer

Locate VSS lead wire from engine computer of 2001 GMC Jimmy 4WD


On connector c2 red conector-terminal #21 purple with white stripe is vss high signal wire---terminal #20 light green wire with black stripe is low vss signal wire-----I don't know what you are going after poss no vss for speedo inop or abs code for rear speed sensor erratic??? there are two sensors on top of transfer case right & left side both same interchangable parts swap them out for diag most likely problem is wiring at sensors poor temial fit you can order new connectors at dealer & solder them in also some time wire rubb through on top of trans GOOD LUCK

Sep 01, 2009 | 2001 GMC Jimmy

1 Answer

Unable to put my 2001 GMC Jimmy in 4wd


fuse! I bet it is the fuse.does it flash and try to switch?

Dec 17, 2008 | 2001 GMC Jimmy

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