Diesel Data: Automotive Repair

Backup Lamp: Description and Operation

PRINCIPLES OF OPERATION

NOTE: The reversing lamps are not powered by the lighting control module (LCM).

Reversing Lamps
The reversing lamp system consists of the following:
- reversing lamps
- digital transmission range (TR) sensor

With the transmission in REVERSE, the digital transmission range (TR) sensor contacts close and power is provided to the reversing lamp bulbs.