Replacement Bulbs - GMC C series 2002 Owner's Manual

Circuits/Circuit
Name Breakers Protected
STP/HAZ Stoplamp, Turn Signal/Hazard
TURN Lights, Fuel
IGN SW3 Air Conditioner, Ignition Switch,
Axle, Chassis, Ignition Relay
INT/EXT Parking Lamps, Dome/Panel
LIGHTS Lights, Marker Lamps
HEAD LAMP Headlamps, Daytime
Running Lamps
AUX WRG Auxiliary, Parking Brake
IGN SW1 Ignition Switch, Wash/Wipe,
Crank, Radio
HYD PUMP Hydraulic Brake, Brake
Pump Motor
HYD ABS Hydraulic ABS
AIR ABS Air ABS, ABS Power Relay,
Trailer Wiring
Circuits/Circuit
Name Breakers Protected
PWR Window, Door Locks
WDO/LCKS
PARK BRK Parking Brake Motor
TRLR Trailer
BLOWER Blower, Horn, Cigarette
HORN Lighter/Auxiliary
TRANS/ Ignition Coils, Fuel Injectors
ENGINE (Gasoline Engines), Transmission
Control Module (Diesel Engines),
Engine Controls

Replacement Bulbs

It is recommended that you use an AC
whenever you need to replace one.
Before you replace any bulbs, be sure that all lamps are
off and the engine isn't running.
R
type bulb
6-73