Operation CHARM
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GMC Truck
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2011
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Sierra 1500 2WD V6-4.3L
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Brakes and Traction Control
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Trailer Brake Control Module
Trailer Brake Control Module
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Testing and Inspection
Service and Repair
Trailer Brake Control Switch Replacement
Trailer Brake Control Module Replacement (1500)
Trailer Brake Control Module Replacement (2500, 3500 Pickup)
Trailer Brake Control Module Replacement (3500 Chassis Cab)
Diagrams
Technical Service Bulletins
