Operation CHARM
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Cadillac
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1982
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Seville V6-252 4.1L
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Repair and Diagnosis
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Cruise Control
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Cruise Control Servo
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Description and Operation
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Servo Unit Solenoid Valve
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Servo Unit Solenoid Valve
The solenoid valve modulates the vacuum signal to the servo unit in response to commands from the ECM or electronic controller in order for the throttle to be in proper position for desired cruise speed.