GMC 2003 Sierra - Manual (Page 493)

fiisas Usage
SUNROOF Sunroof
S£0 B? Off-Road Lamps
4WS
Vent SolencHtJ
Canis№r/QU A DR ASTt E R™
Module Power
RF HVAC Not Used
AUX PWR
Auxiliary Power OuUet —
Console
]GN 1 IgnEthon Relay
PCM 1 PowertraJn Control Module
ETC/ECM
Electronic Throttle Controt,
EJecironIc Brake Controller
5GN E
Instrument Panel Clusteri Air
Conditioning Relay, Turn
Signat/Hazard Switch, Starter
Relay
RTD Ride Controf
TRL B/U Backup Lamps Trailer Wiring
PCM B
Powertrain Conlnol Module,
fuet Pump
F/PMP Fuet Pump {Relay}
Fusee Usage
B/U LP
Back-up Lamps, Automatic
Transmission SMfl Lock
Coi)trol Syslem
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02 B Oxygen Sensors
SiR
Supplemental Inflaiable
Restraint System
FRT PARK
Front Parking Lamps,
Sidernarker Lamps
DRL
Daytime Running Lamps
{Relay)
SEO IGN Rear Defog Relay
TBC 1GN1 ~ Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
5-1 IB