Operation CHARM
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Mercury Truck
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1999
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Mountaineer 4WD V8-302 5.0L VIN P SFI
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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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Main Relay (Computer/Fuel System)
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Testing and Inspection
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PCM Power Relay
PCM Power Relay
Component Testing Procedure:
Terminals:
Schematic: