Suburban 3/4 Ton 4WD V8-393 6.5L DSL Turbo (1993)
Marker Lamp: Description and Operation
Roof Marker Lamps
Voltage is supplied through the PARK LP Fuse to the Light Switch at all times. With the Lamp Switch in PARK or HEAD, voltage is supplied to the
Park, Tail, Marker, Roof Marker and License Lamps.