Durango 2WD V8-5.9L VIN Z LDC (2000)
Headlamp Relay: Description and Operation
The headlamp (or security) relay is a International Standards Organization (ISO) micro-relay. The terminal designations and functions are the same as a
conventional ISO relay. However, the micro-relay terminal orientation (or footprint) is different, current capacity is lower, and the relay case dimensions
are smaller than those of the conventional ISO relay.
The headlamp relay is a electromechanical device that switches battery current to the headlamps when the high-line Central Timer Module (CTM)
grounds the relay coil.
The headlamp relay is located in the Power Distribution Center (PDC), behind the battery on the left side of the engine compartment.
The headlamp relay cannot be repaired and, if faulty or damaged, it must be replaced.
