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Home >> GMC >> 1981 >> Magnavan Automatic Trans, Trans Mfr CD 400/M40 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Windows - Side Windows >> Description >> Accessory Junction Block

Accessory Junction Block

Located on the reinforcement at the left shroud and used to supply current to power operated circuits. Current is supplied to junction block from the circuit breaker. The power window harness plugs into the junction block.