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Home >> Buick >> 1979 >> Skyhawk Base, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Windows >> Window Controls - Electric >> Testing >> BLOCKOUT Switch (CADILLAC Only)
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BLOCKOUT Switch (CADILLAC Only)

With ignition "ON", test blockout switch using a jumper wire between the RED-WHITE wire and PINK-BLACK wire terminals. Operate control switches, if windows operate with jumper, but not with blockout switch, the switch is defective.