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Left Front Window Does Not Operate

  1. Turn ignition switch to RUN position. Using a test light, backprobe between master switch connector Brown wire terminal and Dark Blue wire terminal. While observing test light, press master switch to UP and DOWN position. If test light illuminates in both positions, go to next step. If test light does not illuminate in both positions, check master switch connector for poor terminal contact. If terminal contact is okay, replace master window switch. Recheck system operation.
  2. Disconnect left window motor connector, connect test light between Dark Blue wire and Brown wire terminals of left front window motor connector. While observing test light, press left window switch at master switch to UP and DOWN positions. If test light is on for both positions, go to next step. If test light is not on in both positions, repair open in Brown or Dark Blue wire between master switch and left front power window motor. Recheck system operation. See WIRING DIAGRAMS  . Recheck system operation.
  3. Check master switch connector for poor terminal contact. If terminal contact is okay, replace left front power window motor. Recheck system operation.
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