Chevrolet Trailbrazer (2003 – 2004) – fuse box diagram

18 January 2018 admin Chevrolet, Trailblazer 0

Year of production: 2003,2004

Engine Compartment Fuse Block

The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.

Engine L6

Chevrolet Trailblazer – fuse box diagram – engine compartment (engine L6)
Chevrolet Trailblazer – fuse box diagram –
engine compartment (engine L6)
Mini fuses Usage
1 Electrically-Controlled Air Suspension
2 Passenger’s Side High-Beam Headlamp
3 Passenger’s Side Low-Beam Headlamp
4 Back-Up Trailer Lamps
5 Driver’s Side High-Beam Headlamp
6 Driver’s Side Low-Beam Headlamp
7 Rear Window Washer, Headlamp Washer
8 Automatic Transfer Case
9 Windshield Wipers
10 Powertrain Control Module B
11 Fog Lamps
12 Stop Lamp
13 Cigarette Lighter
14 Ignition Coils
15 Blank
16 TBD — Ignition 1
17 Crank
18 Air Bag
19 Trailer Electric Brake
20 Cooling Fan
21 Horn
22 Ignition E
23 Electronic Throttle Control
24 Instrument Panel Cluster, Driver Information Center
25 Automatic Shift Lock Control System
26 Backup
27 Engine 1
28 Powertrain Control Module 1
29 Oxygen Sensor
30 Air Conditioning
31 Truck Body Controller
32 Trailer
33 Anti-Lock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Electric Adjustable Pedal
54 A.I.R. Solenoid
56 A.I.R. Pump
Relays Usage
37 Headlamp Washer
38 Rear Window Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedal
55 A.I.R. Solenoid
Miscellaneous Usage
48 Instrument Panel Battery
49 Blank

Engine V8

Chevrolet Trailblazer – fuse box diagram – engine compartment (engine V8)
Chevrolet Trailblazer – fuse box diagram –
engine compartment (engine V8)
Mini fuses Usage
1 Electrically-Controlled Air Suspension
2 Passenger’s Side High-Beam Headlamp
3 Passenger’s Side Low-Beam Headlamp
4 Back-Up Trailer Lamps
5 Driver’s Side High-Beam Headlamp
6 Driver’s Side Low-Beam Headlamp
7 Rear Window Washer, Headlamp Washer
8 Automatic Transfer Case
9 Windshield Wipers
10 Powertrain Control Module B
11 Fog Lamps
12 Stop Lamp
13 Cigarette Lighter
14 Ignition Coils
15 Canister Vent
16 TBD — Ignition 1
17 Crank
18 Air Bag
19 Trailer Electric Brake
20 Cooling Fan
21 Horn
22 Ignition E
23 Electronic Throttle Control
24 Instrument Panel Cluster, Driver Information Center
25 Automatic Shift Lock Control System
26 Backup
27 Engine 1
28 Powertrain Control Module 1
30 Air Conditioning
31 Truck Body Controller
32 Trailer
33 Anti-Lock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Oxygen Sensor Bank B
54 Oxygen Sensor Bank A
55 Injector Bank A
56 Injector Bank B
57 Electric Adjustable Pedal
Relays Usage
37 Headlamp Washer
38 Rear Window Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedal
58 Ignition 1
Miscellaneous Usage
48 Instrument Panel Battery

Rear Underseat Fuse Block

The rear underseat fuse block is located under the rear seat on the driver’s side of the vehicle.

Trailblazer

Chevrolet Trailblazer – fuse box diagram – rear underseat
Chevrolet Trailblazer – fuse box diagram – rear underseat
Fuses Usage
01 Right Door Control Module
02 Left Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Amplifier
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16 Vehicle Center High-Mounted Stop Lamp
17 Right Rear Parking Lamps
18 Locks
19 Liftgate Module/Driver Seat Module
20 Sunroof
21 Lock
23 Blank
24 Unlock
25 Blank
26 Blank
27 OH Battery/OnStar System
29 Rainsense Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Blank
36 Heat Ventilation Air Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39 Heat Ventilation Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run

 

TrailBlazer EXT

Chevrolet Trailblazer – fuse box diagram – rear underseat (Trailblazer EXT)
Chevrolet Trailblazer – fuse box diagram – rear underseat (Trailblazer EXT)
Fuses Usage
01 Right Door Control Module
02 Left Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Amplifier
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16 Vehicle Center High-Mounted Stop Lamp
17 Right Rear Parking Lamps
18 Locks
19 Liftgate Module/Driver Seat Module
20 Vent Window
21 Lock
22 Retained Accessory Power
23 Blank
24 Unlock
25 Blank
26 Blank
27 OH Battery/OnStar System
28 Sunroof
29 Rainsense Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Blank
36 Heat Ventilation Air Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39 Heat Ventilation Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44 Heat Ventilation Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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