Envoy 2WD V6-4.3L VIN W (1998)
Input 2
Range: ON/ OFF
The BCM uses the high beam switch input in order to determine if the high beam headlamps are ON by measuring the voltage on CKT 524 between the
following components:
^
Both of the high beam headlamps
^
The high/low beam selector switch
^
The flash to pass switch
Flash to Pass
