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GMC Truck
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1999
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C 2500 Truck 2WD V8-5.7L VIN R
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Repair and Diagnosis
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Diagrams
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Connectors
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Connectors By Number
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C200 - C299
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C203
C203
Connectors: C200, C204, C299 (Right Side, Gas):
Heater and A/C Wiring C203, G202:
IP harness inline to the the front HVAC harness, behind the right side of the IP, near the heater motor, in foam wrap