LEMON Manuals
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C3500 HD 6.5 F, Automatic
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Section 11 (Body Control Modules)
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Wiring Diagrams
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Wiring Diagrams
WARNING:
This page is about a different car, the 1999 GMC Sierra and 1999 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) Wiring Diagram (Sierra & Silverado)