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All Power Windows Inoperative

  1. Power Supply & Ground Check Remove left power window switch. Check voltage between Black and Red/Light Blue wires at power window switch connector. If battery does not exist, go to next step. If battery voltage exists, go to step 4).
  2. Ground Continuity Check Using an ohmmeter, check resistance between Black wires at switch connector and ground. If all resistance measurements are less than 5 ohms, go to next step. If any resistance measurement is 5 ohms or greater, repair open in Black wire. Retest system.
  3. Power Supply At Power Window Switch Test Check Red/Light Blue wire for voltage at power window switch connector. If battery voltage does not exist, go to next step. If battery voltage exists, replace power window master switch.
  4. Power Supply Circuit Test Gain access to rear of interior fuse panel. Check for battery voltage at output side of power window circuit breaker. If battery voltage does not exist, replace circuit breaker. If battery voltage exists, repair open Red/Light Blue wire between fuse panel and window switch.
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