wiring CHEVROLET TAHOE 2003 2.G User Guide

Center Instrument Panel Fuse Block
The center instrument panel utility block is located
underneath the instrument panel, to the left of the
steering column.
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Up®tter (Not Used)
SL RIDERide Control Harness
Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEATDriver and Passenger Seat
Module Circuit Breaker
CB RT DOORRight Power Window Circuit
Breaker
SPARE Not Used
INFOInfotainment Harness
Connection
5-112

*1Ð Gasoline Engine and Fuel Injection Rail #2.
*2Ð Gasoline Engine and Fuel Injection Rail #1.
*3Ð Gasoline Engine; Oxygen Sensors.
*4Ð Gasoline Engine; Oxygen Sensors.
*5Ð PCM Ignition
Fuses Usage
GLOW PLUG Not Used
CUST FEED Gasoline Accessory Power
STUD #1Auxiliary Power (Single
Battery and Diesels
Only)/Dual Battery (TP2) Do
not install fuse.
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLOWER Front Climate Control Fan
LBECLeft Bussed Electrical Center,
Door Modules, Door Locks,
Auxiliary Power OutletÐRear
Cargo Area and Instrument
Panel
Fuses Usage
STUD 2Accessory Power/Trailer
Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller
Battery Feed
5-115

Fuses Usage
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Rear Climate Control
AUX PWRAuxiliary Power Outlet Ð
Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
IGN EInstrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch, Starter
Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)Fuses Usage
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
SIRSupplemental In¯atable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running Lamps
(Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DICInstrument Panel
Cluster/Driver Information
Center
5-116

Torque Lock...................................................2-41
Total Weight on Your Vehicle's Tires..................4-71
Tow/Haul Mode Light.......................................3-52
Tow/Haul Mode...............................................2-29
Towing..........................................................4-59
Recreational Vehicle.....................................4-59
Towing a Trailer..........................................4-65
Your Vehicle...............................................4-59
TRACTION ACTIVE........................................3-71
Traction Control Operation................................4-13
TRACTION SYS LIMITED................................3-71
Traction.........................................................4-10
Assist System (TAS)....................................4-10
Off Light.....................................................3-44
Stabilitrak
žSystem......................................4-12
Trailer Brakes.................................................4-73
Trailer Wiring Harness.....................................4-77
Trailer...........................................................4-65
Recommendations.......................................4-65
Transfer Case and Front Axle (Four-Wheel Drive)
Inspection...................................................6-17
Transfer Case........................................5-55, 5-57
TRANSMISSION HOT.....................................3-71
Transmission Operation, Automatic....................2-26
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11Transmission..................................................5-26
Fluid, Automatic...........................................5-26
Temperature Gage.......................................3-46
Transportation Options...................................... 7-8
Traveling to Remote Areas...............................4-27
Trip Information Button....................................3-54
Trip Odometer................................................3-38
Turn and Lane-Change Signals.......................... 3-8
TURN SIGNAL ON.........................................3-71
Turn Signal/Multifunction Lever........................... 3-7
Turn Signals When Towing a Trailer..................4-75U
Underbody Flushing Service.............................6-15
Underhood Fuse Block...................................5-113
Understanding Radio Reception.......................3-127
Uniform Tire Quality Grading............................5-72
United States ± Customer Assistance.................. 7-5
Used Replacement Wheels..............................5-75
Using Cleaner on Fabric................................5-100
Using HomeLink
ž...........................................2-60
Using Song List Mode...................................3-112
Using the Recovery Hooks...............................4-57
18