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Left Rear Window Does Not Operate From Individual Switch And Master Switch: 4-Door

  1. Turn ignition switch to RUN position. Press rear lock-out switch to off position. Using DVOM connected to ground, backprobe master window switch connector C2 Purple wire terminal. See WIRING DIAGRAMS  . Press left rear window switch on master window switch to DOWN position. If battery voltage is present, go to next step. If battery voltage is not present, go to step 4).
  2. Using DVOM connected to ground, backprobe master window switch connector C2 Dark Green wire terminal. Press left rear window switch on master window switch in UP position. If battery voltage is present, go to next step. If battery voltage is not present, go to step 4).
  3. Disconnect left rear window switch. Using DVOM connected to ground, measure voltage at rear window switch connector Purple wire terminal. Press left window switch on master window switch in DOWN position. If battery voltage is present, go to step 5). If battery voltage is not present, go to step 6).
  4. Replace master window switch. Recheck system operation.
  5. Using DVOM connected to ground, measure voltage at rear window switch harness connector Dark Green wire terminal. Press left rear window switch on master window switch in UP position. If battery voltage is present, go to step 7). If battery voltage is not present, go to step 8).
  6. Repair open in Purple wire between master window switch and left rear window switch. Recheck system operation.
  7. Connect a fused jumper between left rear window harness connector Purple wire terminal and Brown wire terminal and between Dark Blue wire terminal and Dark Green wire terminal. Press left rear window switch on master window switch in UP and DOWN positions. If left rear window operates, go to step 9). If left rear window does not operate, go to step 10).
  8. Repair open in Dark Green wire between master window switch and left rear window switch. Recheck system operation.
  9. Replace left rear window switch. Recheck system operation.
  10. Reconnect left rear window switch. Disconnect left rear window motor. Using DVOM connected to ground, measure voltage at left rear motor connector Brown wire terminal. Press left rear window switch on master window switch in DOWN position. If battery voltage is present, go to next step. If battery voltage is not present, go to step 12).
  11. Using DVOM connected to ground, measure voltage at left rear window motor harness connector Dark Blue wire terminal. Press left rear window switch on master window switch to UP position. If battery voltage is present, go to step 13). If battery voltage is not present, go to step 14).
  12. Repair open in Brown wire between left rear window switch and left rear window motor. Recheck system operation.
  13. Replace left rear window motor. Recheck system operation.
  14. Repair open in Dark Blue wire between left rear window switch and left rear window motor. Recheck system operation.
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