Operation CHARM
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GMC Truck
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2008
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Yukon 2WD V8-4.8L
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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
Engine Control Module (ECM) X1 (Pin 1 To 59):
Engine Control Module (ECM) X1 (Pin 60 To 73):
Engine Control Module (ECM) X2
Engine Control Module (ECM) X2 (Pin 1 To 50):
Engine Control Module (ECM) X2 (Pin 51 To 80):