DeVille, Eldorado, Seville 1999-2005

Reverse Lockout Solenoid

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Description & Operation



The reverse lockout system is a safety device that prevents an inadvertent shift from a forward or neutral gear into reverse. The system consists of the following components.



The reverse lockout solenoid.
 
The dash integration module (DIM).
 

When the ignition switch is turned ON, battery voltage is supplied to the feed circuit of the reverse lockout solenoid. The DIM supplies the ground for the control side circuit. When the DIM determines that the ignition is ON and the vehicle has been traveling at over 5 mph for 15 seconds or longer, it grounds the control circuit of the reverse lockout solenoid. This energizes the reverse lockout solenoid and mechanically prevents the shift lever from being moved into the REVERSE position.

 
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