Cutlass Supreme V6-204 3.4L DOHC VIN X SFI (1995)
Backup Lamp: Initial Inspection and Diagnostic Overview
Circuit Operation
Voltage is applied at all times through the R/CMPT REL Fuse to the Transaxle Range Switch (4 speed) the Park/Neutral Position Switch (3 speed).
Whenever the gear selector lever is shifted to "REVERSE," the Switch closes and voltage is applied to the Backup lamps.
Chart #3 Backup Lamps ON At All Times
