Fuses and relays Buick Terraza (2004-2007)

This material discusses in detail the fuse diagrams of the Buick Terraza  (first generation): 2004, 2005, 2006, 2007 release.

Fuse #2 in the engine bay fuse box is responsible for the fuel pump module.

In the engine compartment

Located on the passenger's side, behind the plastic cover.

General view of the fuse box.

No. Description
RUN RLY Starter relay
LO BEAM Low-Beam relay
FUEL PUMP Fuel pump relay
HORN Horn relay
AC/CLTCH Air Conditioning Clutch relay
HI BEAM High-Beam relay
PWR/TRN Powertrain relay
WPR2 Wiper #2 relay 
WPR1 Wiper #1 relay
FAN 1 Fan 1 relay
CRNK Crank relay
IGN MAIN Ignition Main relay
FAN2 Fan 2 relay
FAN3 Fan 3 relay
1 High-Beam Right
2 Buick Terraza Fuel Pump Fuse
3 Diode
4 High-Beam Left
5 Empty
6 Air Conditioning Clutch
7 Horn
8 Low-Beam Left
9 Powertrain Control Module (PCM), Electronic Throttle Control
10 Empty
11 Transmission Solenoid
12 Low-Beam Right
13 Anti-lock Brake System (ABS)
  • Powertrain Control Module
  • Ignition
15 Electronic Ignition
16 Fuel Injector
17 Climate Control System, RPA, Cruise Control System
18 Electronic Throttle Control (ETC)
19 Engine Sensor, Evaporator
20 Airbag module
21 Empty
22 2004-2005: Emission Control Unit, All-Wheel Drive
2006-2007: Empty
23 Auxiliary Power
24 Windshield Washer (Front)
25 AC/DC Inverter
26 Blower Rear
27 Blower Front
28 Front Windshield Wiper
PLR Puller
J29 Fan 1
J30 Starter Solenoid
J31 ABS Motor
J32 Blank
J33 Fan 2
J34 Front Blower High
J35 Main Battery 3
J36 Rear Defogger
J37 Main Battery 2
J38 2004-2005: Battery Main 1
2006-2007: Reserve

In the passenger compartment

Located on the passenger's side, behind the plastic cover.

Access example.

No. Description
PLR Puller
CB31 Power Seats
CB32 Power Window
R26 Empty
R27 Empty
R28 Park Lamps, Taillamps
R29 Retained Accessory Power Relay
R30 Rear Defog Relay
1 Trunk, Door Locks
2 Electronic Level Control
3 Rear Wiper
4 DVD Player and Radio
5 Interior Lamps
6 OnStar System
7 Keyless Entry System
8 Cluster, Heating, Ventilation, Air Conditioning
9 Cruise Switch Control
10 Steering Wheel Illumination
11 Power Mirror
12 Stoplamp and Turn Lamps
13 Heated Seats Module
14 Empty
15 Electronic Level Control
16 Heated Mirror
17 Center High-Mounted Stoplamp, Back-up Lamps
18 Empty
19 Canister Vent Solenoid
20 Park Lamps
21 Power Sliding Door
22 Empty
23 Empty
24 Power Sliding Door (Left)
25 Power Sliding Door (Right)
Related fuse diagrams
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