Operation CHARM
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GMC Truck
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2008
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Sierra 3500 2WD V8-6.6L DSL Turbo
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Repair and Diagnosis
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Diagrams
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Connector Views
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Engine Control Module
Engine Control Module
Component Connector End Views
Engine Control Module (ECM) X1 (Diesel)
Engine Control Module (ECM) X1 (Diesel) (Pin 1 To 47):
Engine Control Module (ECM) X1 (Diesel) (Pin 48 To 96):
Engine Control Module (ECM) X2 (Diesel)
Engine Control Module (ECM) X2 (Diesel) (Pin 1 To 53):
Engine Control Module (ECM) X2 (Diesel) (Pin 54 To 58):