Operation CHARM
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GMC Truck
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1983
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S15/T15 2WD P/U V6-173 2.8L VIN B 2-bbl
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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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
Testing and Inspection
Locations
Service and Repair
Computer Command Control (C-3) System
Electronic Control Module (ECM) Replacement
Diagrams
Technical Service Bulletins
