Envoy 2WD V6-4.3L VIN W (1998)
Input 2
Range: ON/ OFF
The BCM uses the courtesy lamp relay input in order to determine the state of the courtesy lamp relay.
ON displays when the BCM commands the courtesy lamps to turn ON by providing a ground for the courtesy lamp relay coil.
OFF displays when the BCM is not commanding the courtesy lamps to turn ON by not providing a ground for the courtesy lamp relay coil.
Auto Headlamps Enable
