Operation CHARM
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Mercury
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1998
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Grand Marquis V8-281 4.6L SFI
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Repair and Diagnosis
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Cruise Control
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Sensors and Switches - Cruise Control
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Brake Switch (Cruise Control)
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Description and Operation
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Stoplight Switch
Stoplight Switch
When the brake pedal is depressed, an electrical signal from the brake lamp circuit to the speed control servo will deactivate the system.