Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Heated Glass Element Relay: Description and Operation
SYSTEM OPERATION
The rear window defogger relay is a International Standards Organization (ISO)-type relay The rear window defogger relay is a electromechanical
device that switches fused battery current to the rear glass heating grid and the indicator lamp of the defogger switch, when the instrument cluster
rear window defogger timer and logic circuitry grounds the relay coil. See the Diagnosis and Testing for more information on the operation of the
rear window defogger relay
The rear window defogger relay is located in the Power Distribution Center (PDC) in the engine compartment. Refer to the PDC label for relay
identification and location.
The rear window defogger relay cannot be repaired and, if faulty or damaged, it must be replaced.
