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Home >> GMC >> 1982 >> Magnavan Standard Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Power Windows >> Testing >> Window Control Switch

Window Control Switch

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  1. Connect 1 lead of test lamp to switch connector feed wire and ground other lamp lead. If lamp does not light, an open short circuit exists between switch and power source.
  2. Insert 1 end of a jumper wire in switch connector and other end of jumper to motor lead in connector. Repeat procedure for motor lead terminal. If motor operates with jumper wire but does not operate with switch, replace switch.