Operation CHARM
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Chevy Truck
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1993
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Lumina APV V6-3800 3.8L
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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
Control Module
Powertrain Control Module (PCM)
Testing and Inspection
Locations
Service and Repair
Diagrams
Black 24 Pin A-B Connector #2
Black 32 Pin C-D Connector #1
Connector Description
Green 32 Pin C-D Connector #3
With Sequential Fuel Injection
Connector C1
Connector C2
Connector C3
Specifications
Technical Service Bulletins
