GMC 2003 Sierra 1500 Pickup Owner's Manual page 493

Fuses
1
Usage
SUNROOF
I
Sunroof
SEO 82
4 w s
Vent Solenoid
Canister/QUADRASTEERTM
Module Power
AUX PWR
Auxiliary Power Outlet
-
Console
IGN 1
I
Ignition Relay
PCM 1
ETC/ECM
~~
Powertrain Control Module
Electronic Throttle Control,
Electronic Brake Controller
~~
~
IGN E
Instrument Panel Cluster, Air
Conditioning Relay, Turn
SignaVHazard Switch, Starter
Relay
~
RTD
TRL B/U Backup Lamps Trailer Wiring
~~
Ride Control
~~
PCM B
Powertrain Control Module,
Fuel Pump
F/PM P
I
Fuel Pump (Relay)
Fuses
B/U LP
RR DEFOG
HDLP-HI
PRIME
02B
SIR
FRT PARK
DRL
SEO IGN
TBC IGN1
HI HDLP-LT
LH HID
DRL
Usage
Back-up Lamps, Automatic
Transmission Shift Lock
Control System
Rear Window Defogger
Headlamp High Beam Relay
Not Used
Oxygen Sensors
Supplemental Inflatable
Restraint System
Front Parking Lamps,
Sidemarker Lamps
Daytime Running Lamps
Rear Defog Relay
Truck Body Controller Ignition
High Beam Headlamp-Left
Not Used
Daytime Running Lamps
t
Relay)
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