2006 HUMMER H3 turn signal

When You Are Ready to Leave After
Parking on a Hill
1. Apply your regular brakes and hold the pedal down
while you:
start your engine,
shift into a gear, and
release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is clear of the chocks.
4. Stop and have someone pick up and store
the chocks.
Maintenance When Trailer Towing
Your vehicle will need service more often when you’re
pulling a trailer. See the Maintenance Schedule for more
on this. Things that are especially important in trailer
operation are automatic transmission uid, engine
oil, axle lubricant, belts, cooling system and brake
system. Each of these is covered in this manual, and
the Index will help you nd them quickly. If you’re
trailering, it’s a good idea to review these sections
before you start your trip.
Check periodically to see that all hitch nuts and bolts
are tight.
Trailer Wiring Harness
Light-Duty Trailer Wiring Package
If your vehicle is not equipped with a trailer towing
package, the chassis harness will contain the following
blunt cut circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
White: Ground
Brown: Tail Lamps
If you want to add on a trailer tow, it should be installed
by your dealer or a qualied service center. Also, see
Add-On Electrical Equipment on page 5-95for more
information.
4-68

Heavy-Duty Trailer Wiring Package
If your vehicle is equipped with a trailer towing package,
the rear bumper harness will have a seven-pin
universal heavy-duty trailer connector attached to a
bracket on the hitch platform.
The trailer towing harness contains the following
seven trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Taillamps
White: Ground
Light Green: Back-up Lamps
Red: Battery Feed
Dark Blue: Trailer Brake
Four-Wire Harness Adapter
If you need to tow a light-duty trailer with a standard
four-way, at pin connector, an adapter is available from
your dealer.
Use this adapter to
connect a standard
four-way pin connector to
the seven-wire harness
on your vehicle.
4-69

Service............................................................5-3
Accessories and Modications..........................5-3
California Proposition 65 Warning.....................5-4
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside of
Your Vehicle..............................................5-5
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-6
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-8
Filling a Portable Fuel Container.....................5-10
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-13
Engine Oil Life System..................................5-16
Engine Air Cleaner/Filter................................5-18
Automatic Transmission Fluid.........................5-19
Manual Transmission Fluid.............................5-22
Hydraulic Clutch...........................................5-23
Engine Coolant.............................................5-24
Radiator Pressure Cap..................................5-27
Engine Overheating.......................................5-27Cooling System............................................5-29
Engine Fan Noise.........................................5-33
Power Steering Fluid.....................................5-34
Windshield Washer Fluid................................5-35
Brakes........................................................5-36
Battery........................................................5-39
Jump Starting...............................................5-40
All-Wheel Drive..............................................5-44
Rear Axle.......................................................5-45
Front Axle......................................................5-45
Headlamp Aiming...........................................5-46
Bulb Replacement..........................................5-49
Halogen Bulbs..............................................5-49
Headlamps..................................................5-49
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps.........................................5-50
Replacement Bulbs.......................................5-51
Windshield Wiper Blade Replacement..............5-52
Tires..............................................................5-53
Tire Sidewall Labelling...................................5-54
Tire Terminology and Denitions.....................5-57
Ination - Tire Pressure.................................5-60
Tire Pressure Monitor System.........................5-61
Tire Inspection and Rotation...........................5-64
When It Is Time for New Tires.......................5-65
Section 5 Service and Appearance Care
5-1

4. Unplug the electrical connector by pushing the
release tab and pulling the bulb socket out.
5. Replace with a new bulb socket.
6. Reinstall the electrical connector.
7. Reinstall the bulb socket into the headlamp
assembly making sure to align the tabs on the bulb
socket with the tabs in the headlamp housing.
8. Turn the bulb socket clockwise to secure it.Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
A. Stoplamp, Taillamp and
Turn Signal Lamp
B. Back-up Lamp
To replace one of these bulbs in the taillamp assembly,
do the following:
1. Open the swing-gate. SeeSwing-gate on page 2-9
for more information.
5-50

2. Remove the two screws
from the taillamp
assembly.
3. Remove the taillamp assembly by pulling it gently to
release the two locator tabs. The locator tabs
connect the taillamp assembly to the vehicle’s frame.
4. Turn the bulb socket counterclockwise to remove it
from the taillamp housing.5. Replace with a new bulb.
6. Insert the bulb into the taillamp housing and turn it
counterclockwise until it is locked into place.
7. Reinstall the rear lamp assembly by lining up the
locator tabs with the holes in the vehicle’s frame.
8. Reinstall the two screws.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp, Stoplamp,
Taillamp and Turn Signal Lamp3157K
Low-Beam and High-Beam
HeadlampH13
For replacement bulbs not listed here, contact your
dealer. Passenger’s Side
Shown
5-51

Fuse Usage
1 Heated Seats
2 Grille Guard
3 Fuel Pump
4 Roof Lamp
5 Battery Ignition Switch
6 Front Wiper
7 Spare 1
8 Power Locks
9 Sunroof, Front Washer Pump
10 Accessories (SPO)
11 Not Used
12 Transfer Case Control Module
13Radio, Heating, Ventilation,
Air Conditioning Display
14 Body Control Module
15 Rear Wiper Motor
16 Rear Wiper Pump Switch
17 Spare 2Fuse Usage
18 Spare 6
19 Cluster
20 Rear Turn Signal, Hazard Signal
21 Powertrain Control Module 1
22Mass Air Flow Sensor, Purge
Solenoid
23 Injector
24 Fog Lamp
25 Powertrain Control Module B
26 Spare 4
27 Airbags
28 Back-up Lamps
29 Anti-lock Brakes, StabiliTrak
®
30 Rear Window Defogger
31 Canister Vent
32 Spare 5
33 Ignition 1
34 Transmission
5-99

Fuse Usage
35 Cruise, Inside Rearview Mirror
36 Horn
37 Driver’s Side Rear Park Lamp
38 Amplier
39 Spare 7
40 Passenger’s Side Headlamp
41 Driver’s Side Headlamp
42 Trailer Back-Up Lamp
43 Front Park Lamps
44 Not Used
45 Auxiliary Power 2
46 Electronic Throttle Control
47 Oxygen Sensor
48 Air Conditioning Clutch
49 Passenger’s Side Rear Park Lamp
50 XM™ Satellite Radio
51 Auxiliary Power 1Fuse Usage
52 StabiliTrak
®, Anti-lock Brakes
53 Power Heater Switch
54 Stop
55 Trailer Parking Lamps
56 Front Turn Signal, Hazard Signal
57 Power Sunroof
58Transfer Case Control Module
Switch
59 Climate Control
60 Spare 8
61 Power Seats
62 Air Pump
63 Passenger’s Side Power Window
64Anti-lock Brakes, StabiliTrak
®2
Motor
67Anti-lock Brakes, StabiliTrak
®1
Solenoid
68 Driver’s Side Power Window
5-100

Ashtray(s)......................................................3-20
Audio System(s).............................................3-48
Care of Your CD Player...............................3-77
Care of Your CDs........................................3-77
Fixed Mast Antenna.....................................3-77
Navigation/Radio System, see Navigation
Manual...................................................3-76
Radio with CD............................................3-49
Radio with Six-Disc CD................................3-63
Setting the Time..........................................3-49
Theft-Deterrent Feature................................3-76
Understanding Radio Reception.....................3-76
XM™ Satellite Radio Antenna System............3-77
Automatic Headlamp System............................3-16
Automatic Transmission
Fluid..........................................................5-19
Operation...................................................2-18
B
Battery..........................................................5-39
Run-Down Protection...................................3-19
Battery Warning Light......................................3-31
Before Leaving on a Long Trip.........................4-42
Bench Seat, Split (60/40)................................... 1-7Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-8
Parking......................................................2-27
System Warning Light..................................3-32
Brakes..........................................................5-36
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-14
Bulb Replacement...........................................5-49
Halogen Bulbs............................................5-49
Headlamp Aiming........................................5-46
Headlamps.................................................5-49
Replacement Bulbs......................................5-51
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-50
Buying New Tires...........................................5-66
C
California Fuel.................................................. 5-6
California Proposition 65 Warning....................... 5-4
Canadian Owners................................................ ii
Capacities and Specications..........................5-102
Carbon Monoxide.....................2-9, 2-31, 4-45, 4-59
2