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Home >> GMC >> 1988 >> Jimmy 6.2 C >> Repair and Diagnosis >> Body & Frame >> Power Windows >> Trouble Shooting >> Passenger Side Window Will Not Work When Using Master Switch

Passenger Side Window Will Not Work When Using Master Switch

  1. With ignition in "RUN" or "ACC" position, check operation of driver's window. If driver's window works, master switch has voltage. Place master switch in "UP" position and check for voltage at Dark Blue wire.
  2. If there is no voltage on Dark Blue wire, replace master switch. If voltage is present on Dark Blue wire, find open between master switch and passenger side switch.