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Driver Door Master Window Switch

  1. With switch removed from vehicle, test with a self-powered test light or ohmmeter. With all switches in NEUTRAL position and lock-out switch in OFF position, continuity should exist between terminals No. 19 and 20. See Fig 1 . Continuity should also exist between terminal No. 13 and terminals No. 8 through 11, and also between terminal No. 13 and terminals No. 15 through 18. Replace switch if continuity is not as specified. If continuity is as specified, go to next step.
  2. Check specified switch terminals for continuity while operating switch as indicated. See DRIVER DOOR MASTER WINDOW SWITCH TEST table. If continuity is not as specified, replace driver door master window switch and retest system operation.
Fig 1: Driver Door Master Switch Connector C503 Terminals
G94I33819Courtesy of FORD MOTOR CO.
DRIVER DOOR MASTER WINDOW SWITCH TEST

Switch Position Continuity Between Terminals No.
Left Front Window
Down 13 & 8; 19 & 10
Up 19 & 8; 13 & 10
Left Rear Window
Down 13 & 17; 19 & 15
Up 19 & 17; 13 & 15
Right Front Window
Down 13 & 9; 19 & 11
Up 19 & 9; 13 & 11
Right Rear Window
Down 13 & 18; 19 & 16
Up 19 & 18; 13 & 16