2005 BUICK TERRAZA wiring

Engine Identication
The eighth character in your VIN is the engine code.
This code will help you identify your engine,
specications and replacement parts.
Service Parts Identication Label
You will nd this label on the inside of the glove box.
It is very helpful if you ever need to order parts. On this
label, you will nd the following:
VIN
Model designation
Paint information
Production options and special equipment
Be sure that this label is not removed from the vehicle.
Electrical System
Add-On Electrical Equipment
Notice:Don’t add anything electrical to your
vehicle unless you check with your dealer rst.
Some electrical equipment can damage your vehicle
and the damage wouldn’t be covered by your
warranty. Some add-on electrical equipment can
keep other components from working as they
should.
Your vehicle has an airbag system. Before attempting to
add anything electrical to your vehicle, seeServicing
Your Airbag-Equipped Vehicle on page 1-66.
Headlamp Wiring
The headlamp wiring is protected by four internal fuses
in the underhood fuse block. An electrical overload
will cause the lamps to go on and off, or in some cases
to remain off. If this happens, have your headlamp
wiring checked right away.
5-86

Windshield Wiper Fuses
The windshield wiper motor is protected by an internal
fuse in the underhood fuse block. 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, be sure to get it xed.
The rear washer pump is controlled by a relay located
in the engine compartment, behind the windshield
washer uid reservoir. The rear wiper motor is protected
by a fuse located in the instrument panel fuse block.
Power Windows and Other
Power Options
Circuit breakers in the instrument panel fuse panel
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.
Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from
short circuits by a combination of fuses, circuit breakers,
and fusible thermal links.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one of the identical
size and rating.
If you ever have a problem on the road and do not have
a spare fuse, you can borrow one that has the same
amperage or use one of the spare fuses in the
underhood fuse block. Just pick some feature of your
vehicle that you can get along without — like the radio or
cigarette lighter — and use its fuse, if it is the right
amperage. Replace it as soon as you can.
There are two fuse blocks in your vehicle, the instrument
panel fuse block and the underhood fuse block.
5-87

Customer Assistance Information (cont.)
Reporting Safety Defects to the United States
Government............................................7-10
Roadside Assistance Program......................... 7-5
Service Publications Ordering Information........7-11
D
Daytime Running Lamps/Automatic Headlamp
System......................................................3-15
Defensive Driving............................................. 4-2
Delayed Lighting.............................................3-18
Delayed Locking.............................................2-12
Doing Your Own Service Work........................... 5-4
Dome Lamp...................................................3-17
Door
Delayed Locking..........................................2-12
Dual Sliding Doors.......................................2-13
Locks........................................................2-10
Power Door Locks.......................................2-11
Power Sliding Door......................................2-16
Programmable Automatic Door Locks.............2-13
Driver
Position, Safety Belt.....................................1-21
Driver Information Center (DIC).........................3-45
DIC Operation and Displays..........................3-46
DIC Vehicle Personalization..........................3-68
DIC Warnings and Messages........................3-51Driving
At Night.....................................................4-18
City...........................................................4-22
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-23
Hill and Mountain Roads..............................4-25
In Rain and on Wet Roads...........................4-19
Rocking Your Vehicle to Get it Out.................4-32
Winter........................................................4-27
Dual Climate Control System............................3-25
DVD
Rear Seat Entertainment System...................3-96
E
Eight-Way Power Seats..................................... 1-4
Electrical System
Add-On Equipment......................................5-86
Fuses and Circuit Breakers...........................5-87
Headlamp Wiring.........................................5-86
Instrument Panel Fuse Block.........................5-88
Power Windows and Other Power Options......5-87
Underhood Fuse Block.................................5-90
Windshield Wiper Fuses...............................5-87
Engine
Air Cleaner/Filter.........................................5-17
Battery.......................................................5-36
4

G
Gage
Engine Coolant Temperature.........................3-39
Fuel..........................................................3-44
Speedometer..............................................3-33
Tachometer.................................................3-33
Garage Door Opener.......................................2-44
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-48
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamp Wiring............................................5-86
Headlamps
Bulb Replacement.......................................5-42
Daytime Running Lamps/Automatic
Headlamp System....................................3-15
Flash-to-Pass............................................... 3-8
Front Turn Signal, Parking and Daytime
Running Lamps........................................5-44
Halogen Bulbs............................................5-43
Headlamps and Sidemarker Lamps................5-43
High/Low Beam Changer................................ 3-8Headlamps (cont.)
On Reminder..............................................3-15
Wiper Activated...........................................3-15
Headlamps and Sidemarker Lamps...................5-43
Heated Seats................................................... 1-4
Heater...........................................................3-25
Highbeam On Light.........................................3-44
Highway Hypnosis...........................................4-25
Hill and Mountain Roads..................................4-25
HomeLink
®Wireless Control System.................2-44
HomeLink®Wireless Control System Operation.....2-45
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-21
I
Ignition Positions.............................................2-30
Infants and Young Children, Restraints...............1-37
Ination -- Tire Pressure..................................5-53
Instrument Panel
Brightness..................................................3-16
Cluster.......................................................3-32
Overview..................................................... 3-4
Interior Lamps Control.....................................3-17
6