FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Jeep Truck
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1998
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Wrangler 4WD L6-4.0L VIN S
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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
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Description and Operation
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Generator Field Driver (-) PCM Output
Generator Field Driver (-) PCM Output
GENERATOR FIELD DRIVER (-) PCM OUTPUT
This output from the
Powertrain Control Module
(PCM)
regulates charging system ground control to the generator field driver (-) circuit.