Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1996 GMC Jimmy 4D Utility, RWDFACTORY OEM SERVICE PROCEDURE
Window Operates Okay
- Turn ignition switch to RUN position. Connect test light between right window motor connector Brown and Dark Blue wires. Operate window switch between UP and DOWN positions. If test light does not illuminate in both positions, go to next step. If test light illuminates in both positions, check right window motor for poor connection. If connection is okay, replace right window motor.
- Connect test light between right window switch connector Light Blue and Tan wires. Operate right window switch (at left window switch) between UP and DOWN positions. If test light illuminates in both directions, go to next step. If test light does not illuminate in both directions, go to step 4).
- Connect test light between right window switch connector Dark Blue and Brown wires. Operate right window switch between UP and DOWN positions. If test light illuminates in both positions, repair open in Dark Blue or Brown wires. If test light does not illuminate in both positions, check right window switch for poor connection. If connection is okay, replace right window switch.
- Connect test light between left window switch connector Light Blue and Tan wires. Operate inoperative window switch at left window switch. If test light illuminates in both positions, repair open in Light Blue or Tan wires. If test light does not illuminate in both positions, replace left window switch.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.