GMC 2004 Sierra - Manual (Page 532)

Fuses Usage
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WS
Vent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Not Used
AUX PWR
Auxiliary Power Outlet —
Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM
Electronic Throttle Control,
Electronic Brake Controller
IGN E
Instrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch, Starter
Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B
Powertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
Fuses Usage
B/U LP
Back-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
SIR
Supplemental Inflatable
Restraint System
FRT PARK
Front Parking Lamps,
Sidemarker Lamps
DRL
Daytime Running Lamps
(Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC
Instrument Panel
Cluster/Driver Information
Center
5-132