Operation CHARM
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GMC Truck
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1997
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C 1500 Truck 2WD V6-4.3L VIN W
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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
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Diagrams
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Connector Views
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C3 (Clear or Grey)
C3 (Clear or Grey)
Connector View
Description:
Pins 1-24
Description:
Pins 25-32
