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GMC Workshop Service and Repair Manuals

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Relays and Modules - Computers and Control Systems > < Quad Driver <--> [Output Driver]|Locations|Page 2306

K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)

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Quad Driver: Service and Repair

Quad/Output drivers are hard wired onto the ECM/PCM/VCM, and can't be serviced separately.

Relays and Modules - Computers and Control Systems > < Quad Driver <--> [Output Driver]|Locations|Page 2306