All Power Windows Inoperative

1997 Ford Crown Victoria Police Interceptor, 4.6 WSECTION 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.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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