Operation CHARM
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GMC Truck
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2009
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Savana 4500 V8-6.6L DSL Turbo
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Repair and Diagnosis
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Relays and Modules
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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
Engine Control Module
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Description and Operation
Engine Control Module Description
Engine Idle Control System Description
Testing and Inspection
Locations
Service and Repair
Diagrams
Technical Service Bulletins
