RAM 3500 Van V8-5.2L CNG VIN T (1996)
Backup Lamp: Description and Operation
Backup Lamp
CIRCUIT OPERATION
In the RUN position, the ignition switch connects circuit A2 from fuse 4 in the Power Distribution Center (PDC) to circuit A22. Circuit A22 feeds
circuit F20 through fuse 6 in the fuse block.
Circuit F20 supplies power to the back-up lamp switch. The back-up lamp switch is part of the Park/ Neutral position switch.
When the operator puts the transmission in REVERSE, the back-up lamp switch connects circuit F20 to circuit L1. Circuit L1 feeds the back-up
lamps.
If the vehicle is equipped with trailer tow, circuit L1 splices to the trailer tow harness.
