2500 4x4 Pickup V8-318 5.2L Magnum (1995)
Backup Lamp: Description and Operation
In the RUN position, the ignition switch connects circuit A2 from fuse 2 in the Power Distribution Center (PDC) to circuit A22. Circuit A22 feeds a bus
bar in the fuse block that powers circuit L10 through fuse 15.
Circuit L10 supplies power to the back-up lamp switch. On automatic transmission equipped vehicles, the back-up lamp switch is part of an assembly
that includes the PARK/NEUTRAL position switch.
When the operator puts the transmission in REVERSE, the back-up lamp switch connects circuit L10 to circuit L1. Circuit L1 feeds the back-up lamps.