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Jeep
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1997
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Grand Cherokee 4WD L6-4.0L VIN S
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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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Description and Operation
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Outputs
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Overdrive Lamp
Overdrive Lamp
OVERDRIVE LAMP-PCM OUTPUT
This circuit controls a signal for the operation of the instrument panel mounted push-button overdrive lamp switch. When the lamp is illuminated, the overdrive is disengaged.