Operation CHARM
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Mercury Truck
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1993
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Villager V6-181 3.0L SOHC
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Repair and Diagnosis
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Powertrain Management
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Ignition System
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Ignition Switch
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Description and Operation
Ignition Switch: Description and Operation
The
ignition switch
supplies a START signal to the PCM. It also supplies an ignition ON signal to the PCM.