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All Power Windows Inoperative

  1. Power Window Function Test  - Turn ignition on. Test all windows. If all power windows operate, system is functioning normally. If any window fails to operate, go to next step.
  2. Check Yellow/Light Green Wire  - Remove and disconnect master switch. Measure voltage between ground and Yellow/Light Green wire at master switch connector. If battery voltage is present, go to step 4). If battery voltage is not present, go to next step.
  3. Check Yellow/Light Green Wire For Short  - Remove 20-amp circuit breaker No. 14 from instrument panel fuse box. Measure resistance between output side of 20-amp circuit breaker No. 14 and ground. If resistance is greater than 10 k/ohms, repair open in Yellow/Light Green wire and retest. If resistance is less than 10 k/ohms, repair short to ground in Yellow/Light Green wire and retest.
  4. Check Ground Circuit  - Measure resistance between ground and both Black wires at master switch connector. If resistance is less than 5 ohms, replace master switch and retest. If resistance is greater than 5 ohms, repair open in Black wire(s) in question and retest.
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