1996 GMC Jimmy 4D Utility, AWDFACTORY OEM SERVICE PROCEDURE

Left Window Inoperative/Right Window Operates Okay

  1. Turn ignition switch to RUN position. Connect test light between left window switch connector Dark Blue and Brown wires. Observe test light and operate switch between UP and DOWN positions. If test light illuminates in both positions, go to next step. If test light does not illuminate in both positions, check left window switch for poor connection. If connection is okay, replace left window switch.
  2. Connect test light between left window motor connector Dark Blue and Brown wires. Observe test light and operate switch between UP and DOWN positions. If test light illuminates in both positions, check left window motor connector for poor connection. If connection is okay, replace left window motor. If test light does not illuminate in both positions, repair open in Dark Blue or Brown wires between left window switch connector and left front window motor connector.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.