Operation CHARM
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GMC Truck
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2008
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W 3500 Forward L4-5.2L DSL Turbo
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Diagrams
Engine Control Module: Diagrams
Engine Control Module (ECM) Connector End Views
Component Locator
ECM (96 pins connector)
ECM (58 pins connector