GMC 2004 Sierra - Manual (Page 533)

Fuses Usage
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP
Air Conditioning Compressor
Relay
RR WPR Not Used
RADIO Audio System
SEO B1
Mid Bussed Electrical Center,
Rear Heated Seats,
HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI
Brake Transmission Shift
Interlock System
CRANK Starting System
Fuses Usage
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH
Windshield Washer Pump
Relay
W/S WASH Windshield Washer Pump
INFO
OnStar/Rear Seat
Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-133