GMC 2004 Yukon XL Owner's Manual page 501

Fuses
IPC/DIC
HVAC/ECAS
CIG LTR
HI HDLP-RT
HDLP-LOW
A/C COMP
A/C COMP
RR WPR
RADIO
SEO B1
LO HDLP-LT
BTSI
CRANK
Usage
Instrument Panel
Cluster/Driver Information
Center
Climate Control Controller
Cigarette Lighter
High Beam Headlamp-Right
Headlamp Low Beam Relay
Air Conditioning Compressor
Air Conditioning Compressor
Relay
Rear Wiper/Washer
Audio System
Mid Bussed Electrical Center,
HomeLink, Rear Heated
Seats
Headlamp Low Beam-Left
Brake Transmission Shift
Interlock System
Starting System
Fuses
LO HDLP-RT
FOG LP
FOG LP
HORN
HORN
W/S WASH
W/S WASH
INFO
RADIO AMP
RH HID
EAP
TREC
SBA
Usage
Headlamp Low Beam-Right
Fog Lamp Relay
Fog Lamps
Horn Fuse
Horn Relay
Windshield and Rear Window
Washer Pump Relay
Windshield and Rear Window
Washer Pump
OnStar/Rear Seat
Entertainment
Radio Amplifier
Not Used
Electric Adjustable Pedals
All-Wheel Drive Module
Supplemental Brake Assist
5-123