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Test 2: Left Window Inoperative

  1. Disconnect left window motor connector. Connect a test light between left front window motor harness connector terminals "A" (Dark Blue) and "B" (Brown wire). See Figure. Turn ignition switch to RUN position. Move left front window switch on master switch assembly to UP and DOWN positions. If test light does not illuminate in both positions, go to step  3. If test light illuminates in both positions, go to next step.
  2. Replace left front window motor. See WINDOW MOTOR  under REMOVAL & INSTALLATION.
  3. Turn ignition switch to OFF position. Disconnect master switch assembly. Using DVOM, check for open or short to ground in Brown wire between master switch assembly connector terminal "A" and left front window motor connector terminal "B". See WIRING DIAGRAMS . Repair as necessary and retest system. If Brown wire is okay, go to next step.
  4. Using DVOM, check for open or short to ground in Dark Blue wire between master switch assembly connector terminal "E" and left front window motor connector terminal "A". See WIRING DIAGRAMS . Repair as necessary and retest system. If Dark Blue wire circuit is okay, go to next step.
  5. Replace master switch assembly. See WINDOW SWITCH  under REMOVAL & INSTALLATION. Retest system.