Manuals through 2025 now available!
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Circuit Operation
Battery voltage is applied at all times through Engine Compartment Fuse/Relay Center PARK/REV Fuse to hold the switch and coil of the Reverse Relay in the Trunk Compartment #5 Micro Relay Center. When the Gear Selector Lever is placed in REVERSE, the Body Control Module
(PZM) grounds the coil, energizing the relay. The relay switch closes and battery voltage applied to the
backup lamps. Because the backup lamps are permanently grounded at G402, they will remain lit until the gear selector lever is moved out of the REVERSE position and the PZM removes the ground from the Reverse Relay. The relay is de-energized and the switch opens, removing the battery voltage from the backup lamps.