battery HUMMER H2 2007 Service Manual

To disconnect the jumper cables from both
vehicles do the following:
1. Disconnect the black negative (−) cable from
the vehicle that had the dead battery.
2. Disconnect the black negative (−) cable from
the vehicle with the good battery.
3. Disconnect the red positive (+) cable from the
vehicle with the good battery.
4. Disconnect the red positive (+) cable from the
other vehicle.
5. Return the positive (+) remote terminal cover,
if equipped, to its original position.Rear Axle
When to Check Lubricant
It is not necessary to regularly check rear axle
uid unless you suspect there is a leak or you hear
an unusual noise. A uid loss could indicate a
problem. Have it inspected and repaired.
All axle assemblies are lled by volume of uid
during production. They are not lled to reach
a certain level. When checking the uid level on
any axle, variations in the readings can be caused
by factory ll differences between the minimum
and the maximum uid volume. Also, if a vehicle
has just been driven before checking the uid
level, it may appear lower than normal because
uid has traveled out along the axle tubes and has
not drained back to the sump area. Therefore, a
reading taken ve minutes after the vehicle
has been driven will appear to have a lower uid
level than a vehicle that has been stationary
for an hour or two. Remember that the rear axle
assembly must be supported to get a true reading.
437

Electrical System
Add-On Electrical Equipment
Notice:Do not add anything electrical to your
vehicle unless you check with your dealer
rst. Some electrical equipment can damage
your vehicle and the damage would not
be covered by your warranty. Some add-on
electrical equipment can keep other
components from working as they should.
Add-on equipment can drain your vehicle’s battery,
even if your vehicle is not operating.
Your vehicle has an airbag system. Before
attempting to add anything electrical to your
vehicle, seeServicing Your Airbag-Equipped
Vehicle on page 88.
Windshield Wiper Fuses
The windshield wiper motor is protected by an
internal circuit breaker and a fuse. If the motor
overheats due to heavy snow, etc., the wiper will
stop until the motor cools. If the overload is
caused by some electrical problem and not snow,
etc., be sure to get it xed.
Power Windows and Other Power
Options
Circuit breakers protect the power windows and
other power accessories. When the current load is
too heavy, the circuit breaker opens and closes,
protecting the circuit until the problem is xed
or goes away.
503

Device Usage
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 UsedUnderhood Fuse Block
The underhood fuse block in the engine
compartment is located on the driver’s side of
the vehicle near the battery. Lift the cover for
access to the fuse/relay block.
To remove fuses if you don’t have a fuse extractor,
hold the end of the fuse between your thumb
and index nger and pull straight out.
SeeEngine Compartment Overview on page 402
for more information on its location.
507

Fuses Usage
PARK LP Parking Lamps Relay
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 FeedFuses Usage
TRL B/U Backup Lamps Trailer Wiring
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
510

Roadside Assistance Program
As the owner of a new HUMMER vehicle, you are
automatically enrolled in the HUMMER Roadside
Assistance program. This value-added service
is intended to provide peace of mind as you drive
in the city or travel the open road. In the U.S.,
call1-866-HUMMER6 (486-6376)and in Canada,
call1-800-268-680024 hours a day, 365 days
a year to speak with a HUMMER Roadside
Assistance Representative.
The following services are provided in the U.S.
during the Bumper-to-Bumper warranty period and
the Base Warranty period of the New Vehicle
Limited Warranty in Canada up to a maximum
coverage of $100.
Fuel Delivery:Delivery of enough fuel
($5 in the U.S. and 10 litres in Canada
maximum) for the customer to get to the
nearest service station.
Service to provide diesel may be restricted.
For safety reasons, propane and other alternate
fuels will not be provided.
Lock-out Service (identication required):
Lock-out service will be covered at no charge if
you are unable to gain entry into your vehicle.
If your vehicle will not start, Roadside
Assistance will arrange to have your vehicle
towed to the nearest authorized dealership.
In the U.S., a replacement key will be delivered
within 10 miles.
Emergency Tow from a Public Roadway or
Highway:Tow to the nearest dealership for
warranty service or in the event of a
vehicle-disabling accident.
Flat Tire Change:Installation of your vehicle’s
spare tire in good condition will be covered at
no charge. The customer is responsible for the
repair or replacement of the tire if not covered
by a warrantable failure.
Jump Start:No-start occurrences which
require a battery jump start will be covered at
no charge.
Dealer Locator Service:Directions to the
nearest dealer.
542

Appearance Care (cont.)
Tires........................................................ 499
Underbody Maintenance........................... 500
Vehicle Care/Appearance Materials.......... 501
Washing Your Vehicle.............................. 495
Weatherstrips........................................... 495
Windshield, Backglass, and
Wiper Blades........................................ 498
Wood Panels........................................... 495
Ashtray(s).................................................... 197
Assist Steps................................................ 338
Audio System(s).......................................... 241
Audio Steering Wheel Controls................. 296
Care of Your Cassette Tape Player.......... 297
Care of Your CD and DVD Player............ 300
Care of Your CDs and DVDs................... 299
Chime Level Adjustment........................... 300
Fixed Mast Antenna................................. 300
Navigation/Radio System,
see Navigation Manual......................... 271
Radio with Cassette and CD.................... 243
Radio with Six-Disc CD............................ 256
Rear Seat Audio (RSA)............................ 294
Setting the Time...................................... 243Audio System(s) (cont.)
Theft-Deterrent Feature............................ 295
Understanding Radio Reception............... 297
XM™ Satellite Radio Antenna System........ 300
Automatic Headlamp System....................... 189
Automatic Transmission
Fluid........................................................ 412
Operation................................................. 124
B
Battery........................................................ 431
Run-Down Protection............................... 192
Before Leaving on a Long Trip.................... 349
Bench Seat, Split (60/40).............................. 15
Brake
Anti-Lock Brake System (ABS)................. 307
Emergencies............................................ 309
Parking.................................................... 133
System Warning Light.............................. 211
Brakes........................................................ 427
Braking....................................................... 306
Braking in Emergencies............................... 309
Break-In, New Vehicle................................. 119
556

Electrical System (cont.)
Underhood Fuse Block............................. 507
Windshield Wiper Fuses........................... 503
Electronically Controlled Air Suspension
System.................................................... 372
Engine
Air Cleaner/Filter...................................... 409
Battery..................................................... 431
Check and Service Engine Soon Light........ 215
Coolant.................................................... 415
Coolant Heater......................................... 123
Coolant Temperature Gage...................... 213
Drive Belt Routing.................................... 531
Engine Compartment Overview................ 402
Exhaust................................................... 137
Oil ........................................................... 404
Oil Life System........................................ 407
Overheated Protection Operating Mode...... 420
Overheating............................................. 418
Starting.................................................... 121
Entry/Exit Lighting....................................... 191
Event Data Recorders (EDR)...................... 546
Extender, Safety Belt..................................... 45
Exterior Lamps............................................ 186F
Filter
Engine Air Cleaner................................... 409
Finish Damage............................................ 499
First Aid Kit................................................. 360
Fixed Mast Antenna.................................... 300
Flashers, Hazard Warning........................... 176
Flash-to-Pass.............................................. 180
Flat Tire...................................................... 468
Flat Tire, Changing...................................... 468
Flat Tire, Storing.................................485, 488
Fluid
Automatic Transmission............................ 412
Power Steering........................................ 425
Windshield Washer.................................. 426
Four-Wheel Drive........................................ 438
Four-Wheel Drive, Full-Time........................ 128
Front Axle................................................... 440
Front Mounted Receiver.............................. 360
Fuel............................................................ 394
Additives.................................................. 395
California Fuel.......................................... 395
Filling a Portable Fuel Container.............. 399
560

Highway Hypnosis....................................... 350
Hill and Mountain Roads............................. 351
Hood
Checking Things Under............................ 400
Release................................................... 400
Horn............................................................ 177
How to Use This Manual................................ 4
How to Wear Safety Belts Properly............... 29
I
Ignition Positions......................................... 120
Infants and Young Children, Restraints.......... 49
Ination - Tire Pressure............................... 456
Instrument Panel
Overview.................................................. 174
Instrument Panel (I/P)
Brightness................................................ 191
Cluster..................................................... 205
J
Jump Starting.............................................. 432
K
Keyless Entry System................................... 96
Keys............................................................. 95
L
Labeling, Tire Sidewall................................. 449
Lamps
Battery Run-Down Protection................... 192
Dome....................................................... 191
Dome Lamp Override............................... 191
Exterior.................................................... 186
Off-Road.................................................. 190
Reading................................................... 192
LATCH System
Child Restraints......................................... 59
Liftgate........................................................ 104
Light
Airbag Off................................................ 208
Airbag Readiness..................................... 207
Anti-Lock Brake System Warning............. 212
Brake System Warning............................. 211
Charging System..................................... 209
Cruise Control.......................................... 220
562