C 3500 Truck 2WD V8-454 7.4L (1985)
Idle Up Control Relay: Locations
Underhood & Engine Components
LH Top Front Of Engine
Applicable to: 1985 CK Series w/7.4L
GMC Workshop Service and Repair Manuals
Relays and Modules - Ignition System >
< Idle/Throttle Speed Control Unit|Specifications
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