Having problems with your 2001 GMC Jimmy ?
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
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
Repair Help & Product Troubleshooting for 2001 GMC Jimmy
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