GMC 2004 Yokon Denali Owner's Manual page 426

Fuses
4WS
RR HVAC
AUX PWR
IGN 1
PCM 1
ETC/ECM
IGN E
RTD
TRL B/U
PCM B
F/PMP
B/U LP
5-110
Usage
Vent Solenoid Canister/
Quadrasteer Module Power
Rear Climate Control
Auxiliary Power
Outlet – Console
Ignition Relay
Powertrain Control Module
Electronic Throttle Control,
Electronic Brake Controller
Instrument Panel Cluster,
Air Conditioning Relay,
Turn Signal/Hazard Switch,
Starter Relay
Ride Control
Backup Lamps Trailer Wiring
Powertrain Control Module,
Fuel Pump
Fuel Pump (Relay)
Back-up Lamps, Automatic
Transmission Shift Lock
Control System
Fuses
RR DEFOG
HDLP-HI
PRIME
SIR
FRT PARK
DRL
SEO IGN
TBC IGN1
HI HDLP-LT
LH HID
DRL
IPC/DIC
HVAC/ECAS
CIG LTR
HI HDLP-RT
Usage
Rear Window Defogger
Headlamp High Beam Relay
Not Used
Supplemental Inflatable
Restraint System
Front Parking Lamps,
Sidemarker Lamps
Daytime Running Lamps
(Relay)
Rear Defog Relay
Truck Body Controller Ignition
High Beam Headlamp-Left
Not Used
Daytime Running Lamps
Instrument Panel Cluster/
Driver Information Center
Climate Control Controller
Cigarette Lighter
High Beam Headlamp-Right