C 1500 Truck 2WD V6-4.3L VIN X (2003)
Vanity Lamp: Description and Operation
VANITY LAMPS
The inadvertent power courtesy lamps supply voltage circuit of the BCM provides battery positive voltage to each vanity mirror lamp. When the vanity
mirror cover on the sunshade is opened, a switch closes to provide a ground circuit and the vanity lamp illuminates. Ground is provided to the vanity
lamps at G203.
