GMC C-Series 2001, Owner'S Manual, Page: 271 / 324

6-69
Name Circuits Protected
HYD BRK Brake Pump Motor Relay
ENG1 Engine Control Module (Diesel
Engines), Canister Purge, Oxygen
Sensors (Gasoline Engines)
B/U IGN3 Fuel Filter Relay, Blower Motor
Relays, Air ABS Power Relay,
Back
-
up Lamps, Auxiliary Wiring
Relay, IGN 3 Relay, Power
Window Relay, Transmission
Temperature Gage
STOP Stoplamps, Stoplamp Relay
WASH/WIPE Windshield Wipers/Washer,
Accessory Relay
DOME/PNL Dome Lamp, Radio Lighting
Relay, Instrument Panel Lights,
A/C Controller,
Headlamp/Seatbelt Module,
Engine Control Module
(Gasoline Engines)
BLOWER Blower Motor
A/C A/C Clutch Compressor, A/C
Controller, A/C Clutch Relay
Name Circuits Protected
TRN/HAZ Turn Signal Lamps,
Hazard Lamps
CHAS Exhaust Brake, Air Suspension
Dump Valve, Air Dryer, HYD
ABS ECU, Dual Fuel Tank
Module, Auxiliary Fuel Pump
ENG2 Ignition Coils, Fuel Injectors Even
Bank (Gasoline Engines)
PARK LP Auxiliary Wiring, Parking Lamps,
Taillamps, Marker Lamps, Trailer
Running Lamps, Lighted Mirrors
HORN Horn, Diagnostic Connector
PRK BRK Parking Brake Module, Parking
Brake Solenoid
FUEL Heated Fuel Filter (Diesel
Engines) or Fuel Pump
(Gasoline Engines)
AXLE Heated Mirrors, Radiator Shutters,
Two
-
Speed Axle Motor,
Two
-
Speed Axle Switch
MRKR LP Roof Marker Lamps, Trailer
Marker Lamps, Marker
Lamp Relay