Operation CHARM
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GMC Truck
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1998
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Repair and Diagnosis
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Powertrain Management
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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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Locations
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Connector Locations
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Powertrain Control Module (PCM) Connectors
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C1 & C2
C1 & C2
On the right side of the engine compartment