2006 HUMMER H2 trailer

Fuses Usage
HTR A/C Not Used
LOCKPower Door Lock Relay
(Lock Function)
HVAC 1Inside Rearview Mirror,
Climate Control System
L DOORDriver’s Door Harness
Connection
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Brake Switch
DRIVER UNLOCKPower Door Lock
Relay (Driver’s Door
Unlock Function)
IGN 0Brake Transmission Shift
Interlock, Powertrain Control
Module, Transmission
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRNLeft Turn Signals
and SidemarkersFuses Usage
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals
and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
LOCKSRear Doors and Liftgate
Power Lock Relay Feed
ECC Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Rear Power Window
Circuit Breaker and Driver
Door Module
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
Circuit Breaker Usage
AUX PWR 2 Midgate Controller (SUT Only)
5-117

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
TRAILERTrailer Brake Wiring,
Off-Road Lamps
Harness Connector
UPFIT Uptter (Not Used)
SL RIDE Ride Control (Not Used)
HDLR 2 Headliner Wiring Connector 2
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 DOORRear Right Power Window,
Passenger Door Module
SPARE Not Used
INFO Not Used
5-118

*1— Gasoline Engine and Fuel Injection Rail #2.
*2— Gasoline Engine and Fuel Injection Rail #1.
*3— Gasoline Engine; Oxygen Sensors.
*4— Gasoline Engine; Oxygen Sensors.
*5— Ignition 1
*6— Powertrain Control Module, Fuel Pump.
*7— Sunroof.
*8— Not Used.
Fuses Usage
GLOW PLUG Not Used
CUST FEED Gasoline Accessory Power
HYBRID Not Used
WSW/HTRHeated Windshield Washer
(Special Edition Only)
STUD #1Accessory Power/
Trailer Wiring
MBEC 1Mid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLWR Front Climate Control Fan
Fuses Usage
LBEC 2Left Bussed Electrical
Center, Door Modules, Door
Locks, Auxiliary Power
Outlet—Rear Cargo Area
and Instrument Panel
STUD #2*Accessory Power/Trailer
Wiring Brake Feed
ABS Anti-lock Brakes
VSES/ECASElectronically Controlled
Air Suspension
IGN A Ignition Switch
IGN B Ignition Switch
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKPassenger’s Side
Rear Parking and
Sidemarker Lamps
LR PARKDriver’s Side Rear Parking
and Sidemarker Lamps
PARK LP Parking Lamps Relay
5-121

Fuses Usage
STRTR Starter Relay
INTPARK Roof Marker Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller
Battery Feed
SEO B2 Off-Road Lamps
4WS Not Used
AUX PWRInstrument Panel Outlets,
Rear Cargo Area Power
Outlets, Console
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, Electronic Brake
Controller TC2 Mode Switch
RTDElectronic Brake Controller
Battery Feed
TRL B/U Backup Lamps Trailer WiringFuses Usage
F/PMP Fuel Pump (Relay)
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
AIRBAGSupplemental Inatable
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-LTDriver’s Side High
Beam Headlamp
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
5-122

(h)Change automatic transmission uid and lter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(i)Drain, ush, and rell cooling system. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-24 for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap, and ller neck. Pressure test the
cooling system and pressure cap.
(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(k)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your GM Goodwrench
®dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ll.
6-8

Storage Areas (cont.)
Center Overhead Console.............................2-54
Glove Box..................................................2-54
Luggage Carrier..........................................2-54
Rear Seat Armrest.......................................2-58
Stuck in Sand, Mud, Ice or Snow......................4-50
Sun Visors.....................................................2-21
Sunroof.........................................................2-61
Suspension....................................................4-62
T
Tachometer....................................................3-31
Tailgate/Spare Tire Carrier................................2-14
Taillamps
Turn Signal, Stoplamps and Back-up Lamps....5-50
Theft-Deterrent, Radio....................................3-109
Theft-Deterrent Systems...................................2-21
Content Theft-Deterrent................................2-21
Passlock
®...................................................2-23
Third Row Seat................................................ 1-7
Tilt Wheel........................................................ 3-6
Tires.............................................................5-53
Aluminum Wheels, Cleaning........................5-111
Buying New Tires........................................5-63
Chains.......................................................5-67
Changing a Flat Tire....................................5-70Tires (cont.)
Cleaning...................................................5-111
Different Size..............................................5-64
If a Tire Goes Flat.......................................5-69
Ination - Tire Pressure................................5-59
Inator, Accessory.......................................5-68
Inspection and Rotation................................5-61
Installing the Spare Tire................................5-83
Removing the Flat Tire.................................5-83
Removing the Spare Tire and Tools.......5-71, 5-78
Spare Tire................................................5-105
Storing a Flat or Spare Tire and Tools.....5-96, 5-101
Tire Sidewall Labeling..................................5-54
Tire Terminology and Denitions....................5-57
Uniform Tire Quality Grading.........................5-65
Wheel Alignment and Tire Balance.................5-66
Wheel Replacement.....................................5-66
When It Is Time for New Tires......................5-62
Tonneau Cover...............................................2-60
Tool Kit .........................................................4-52
Tow/Haul Mode...............................................2-30
Tow/Haul Mode Light.......................................3-43
Towing
Recreational Vehicle.....................................4-60
Towing a Trailer..........................................4-63
Your Vehicle...............................................4-59
12

Traction
Control System (TCS).................................... 4-9
Off Light.....................................................3-36
Trailer
Recommendations.......................................4-76
Transmission
Fluid, Automatic...........................................5-22
Temperature Gage.......................................3-37
Transmission Operation, Automatic....................2-27
Trip Odometer................................................3-31
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
U
Understanding Radio Reception.......................3-111
Uniform Tire Quality Grading............................5-65
Universal Home Remote System.......................2-50
Operation...................................................2-50
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-55
Symbols......................................................... iv
Vehicle Customization, DIC..............................3-55
Vehicle Data Collection and Event Data
Recorders..................................................7-10
Vehicle Identication
Number (VIN)............................................5-114
Service Parts Identication Label..................5-114
Vehicle Personalization....................................2-63
Memory Seat..............................................2-63
Ventilation Adjustment......................................3-28
Visors...........................................................2-21
Voltmeter Gage..............................................3-34
13