Chevrolet TrailBlazer (2002-2009) fuses and relays

 

In this article, we consider the first-generation Chevrolet TrailBlazer, produced from 2002 to 2009. Here you will find fuse box diagrams of Chevrolet TrailBlazer 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Chevrolet TrailBlazer 2002-2009


Cigar lighter (power outlet) fuses in the Chevrolet TrailBlazer is the fuse №13 (Cigarette Lighter) in the Underhood Fuse Box and fuses №15 (2002-2003, Auxiliary Power 2), №46 (Auxiliary Power 1) in the Rear Underseat Fuse Box.


Engine Compartment Fuse Box

Fuse box location

It is located in the engine compartment on the driver’s side, under two covers.The location of the fuses in the engine compartment: Chevrolet TrailBlazer (2002-2009)

 

Fuse box diagrams (L6 Engine)

L6 engine, 2002-2003

Under-hood fuse box diagram: Chevrolet TrailBlazer (L6) (2002, 2003)


 

Assignment of the fuses and relay in the Underhood Fuse Box, L6 engine (2002, 2003)

Usage
1 Electrically-Controlled Air Suspension
2 Passenger’s Side Hiqh-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 WASH
8 Automatic Transfer Case
g Windshield Wipers
10 Powertrain Control Module B
11 Fog Lamps
12 Stop Lamp
13 Cigarette Lighter
14 Ignition Coils
15 Air Suspension Ride
16 TBD-Ignition 1
17 Crank
18 Air Bag
19 Electric Brake
20 Cooling Fan
21 Horn
22 Ignition E
23 Electronic Throttle Control
24 Instrument Panel Cluster, Dnver Information Center
25 Automatic Shift Lock Control System
26 Engine 1
27 Back-Up
28 Powertrain ControJ 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
Relays
37 Blank
38 Rear Window Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Wipers/Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Modulo
47 Starter
Miscellaneous
48 Instrument Panel Battery
49 Fuse Puller

L6 engine, 2004-2006

Under-hood fuse box diagram: Chevrolet TrailBlazer (L6) (2004, 2005, 2006)

Assignment of the fuses and relay in the Underhood Fuse Box, L6 engine (2004, 2005, 2006)

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 Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 2004-2005: Ignition Coils
15 Electric Adjustable Pedal
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
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 2004: Backup
2005-2006: Engine 1
27 2004: Engine 1
2005-2006: Backup
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 2004: Electric Adjustable Pedal
2005-2006: Headlamp Driver Module
54 Air Injection Reactor (AIR) Solenoid
56 Air Injection Reactor (AIR) Pump
Relays
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 Air Injection Reactor (AIR) Solenoid
57 Powertrain (2006)
58 Vehicle Stability EnhancementSystem (StabiliTrak) (2006)
Miscellaneous
48 Instrument Panel Battery

L6 engine, 2007-2008

Under-hood fuse box diagram: Chevrolet TrailBlazer (L6) (2007, 2008)

Assignment of the fuses and relay in the Underhood Fuse Box, L6 engine (2007, 2008)

Usage
1 Electrically-Controlled Air Suspension
2 Passenger Side High-Beam Headlamp
3 Passenger Side Low-Beam Headlamp
4 Back-Up Trailer Lamps
5 Driver Side High-Beam Headlamp
6 Driver Side Low-Beam Headlamp
7 Windshield Wiper
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Not Used
15 Electric Adjustable Pedal
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
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 Transmission Control Module (TCM) Canister
27 Backup
28 Powertrain Control Module 1
29 Oxygen Sensor
30 Air Conditioning
31 Truck Body Controller 1
32 Trailer
33 Antilock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger Side Trailer Turn
51 Driver Side Trailer Turn
52 Hazard Flashers
53 Headlamp Driver Module
54 Air Injection Reactor (AIR) Solenoid
56 Air Injection Reactor (AIR) Pump
58 Vehicle Stability Enhancement System (StabiliTrak)
59 Regulated Voltage Control
Relays
37 Headlamp Washer
38 Rear Window Wiper/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 Air Injection Reactor (AIR) Solenoid
57 Powertrain
Miscellaneous
48 Instrument Panel Battery

Underhood Fuse Box (2009)

Under-hood fuse box diagram: Chevrolet TrailBlazer (2009)

Assignment of the fuses and relay in the Underhood Fuse Box (2009)

Usage
1 Electrically-Controlled Air Suspension
2 Passenger Side High-Beam Headlamp
3 Passenger Side Low-Beam Headlamp
4 Back-Up Trailer Lamps
5 Driver Side High-Beam Headlamp
6 Driver Side Low-Beam Headlamp
7 Windshield Wiper
8 Active Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Ignition Coils
15 Transmission Control Module Canister
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
19 Trailer Electric Brake
21 Horn
22 Ignition E
23 Electronic Throttle Control
24 Instrument Panel Cluster, Driver Information Center
25 Brake Transmission Shift Interlock
26 Engine 1
27 Backup
28 Engine Control Module 1
29 Engine Control Module
30 Air Conditioning
31 Injector A
32 Trailer
33 Antilock Brakes (ABS)
34 Ignition A
35 Blower
36 Ignition B
50 Passenger Side Trailer Turn
51 Driver Side Trailer Turn
52 Hazard Flashers
53 Transmission
54 Oxygen Sensor B
55 Oxygen Sensor A
56 Injector B
57 Headlamp Driver Module
58 Body Controller 1
59 Electric Adjustable Pedals
61 Vehicle Stability Enhancement System
62 Regulated Voltage Control
63 Air Solenoid
64 Air Pump
Relays
37 Headlamp Wiper
38 Rear Window Wiper/Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedal
60 Powertrain
69 Air Solenoid
Miscellaneous
48 Instrument Panel Battery

Fuse box diagrams (V8 Engine)

V8 engine, 2003-2004

Under-hood fuse box diagram: Chevrolet TrailBlazer (V8) (2003, 2004)

Assignment of the fuses and relay in the Underhood Fuse Box, V8 engine (2003, 2004)

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 Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stop Lamp
13 Cigarette Lighter
14 Ignition Coils
15 Canister Vent
16 TBC-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 2003: Engine 1
2004: Backup
27 2003: Backup
2004: 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
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
48 Instrument Panel Battery

V8 engine, 2005-2008

Under-hood fuse box diagram: Chevrolet TrailBlazer (V8) (2005, 2006, 2007, 2008)

Assignment of the fuses and relay in the Underhood Fuse Box, V8 engine (2005-2008)

Usage
1 Electrically-Controlled Air Suspension
2 Passenger Side High-Beam Headlamp
3 Passenger Side Low-Beam Headlamp
4 Back-Up-Trailer Lamps
5 Driver Side High-Beam Headlamp
6 Driver Side Low-Beam Headlamp
7 2005-2006: Rear Window Washer, HeadlampWasher
2007-2008: Windshield Wiper
8 Automatic Transfer Case
9 Windshield Washer
10 Powertrain Control Module B
11 Fog Lamps
12 Stoplamp
13 Cigarette Lighter
14 Ignition Coils
15 2005-2006: Canister Vent
2007-2008: Transmission Control Module / Canister Vent
16 Truck Body Controller, Ignition 1
17 Crank
18 Airbag
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 Engine 1
27 Backup
28 Powertrain Control Module 1
29 Powertrain Control Module
30 Air Conditioning
31 Injector Bank A
32 Trailer
33 Antilock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger Side Trailer Turn
51 Driver Side Trailer Turn
52 Hazard Flashers
53 Transmission
54 Oxygen Sensor Bank B
55 Oxygen Sensor Bank A
56 Injector Bank B
57 Headlamp Driver Module
58 Body Controller 1
59 Electric Adjustable Pedal
61 Vehicle Stability Enhancement System (StabiliTrak)
62 Regulated Voltage Control
Relays
37 Headlamp Washer
38 Rear Window Wiper
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
60 Powertrain
Miscellaneous
48 Instrument Panel Battery

Rear Underseat Fuse Box

Fuse box location

It is located under of the left rear seat, under two covers.The location of the fuses in the passenger compartment: Chevrolet TrailBlazer (2002-2009)

Fuse box diagram (TrailBlazer)

Interior fuse box diagram: Chevrolet TrailBlazer

Assignment of the fuses in the Rear Underseat Box (TrailBlazer, 2002-2009)

Usage
01 Passenger Door Control Module
02 Driver Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 2002-2003: Liftgate Module/Driver Seat
Module
2004-2009: Blank
07 Truck Body Controller 2
08 Power Seats
09 2002-2003: Blank
2003-2009: Rear Wiper
10 Driver Door Module
11 Amplifer
12 Passenger Door Module
13 Rear Climate Controls
14 Driver Side Rear Parking Lamps
15 2002-2003: Auxiliarv Power 2
2003-2009: Blank
16 Vehicle Center High-Mounted Stoplamp (CHMSL)
17 Passenger Side Rear Parking Lamps
18 Locks
19 2002-2003: Blank
2003-2009: Liftgate Module/Driver Seat Module
20 2002-2004: Sunroof
2005-2009: Blank
21 Lock
23 Blank
24 Unlock
25 Blank
26 Blank
27 OnStar Overhead Battery, OnStar System
28 2002-2004: Blank
2005-2009: Sunroof
29 Not Used
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 2002-2004: Blank
2005-2009: Transmission Control Module
36 Heat Ventilation Air Conditioning B
37 Front Parking Lamps
38 Driver Side Turn Signal
39 Heat Ventilation Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Passenger Side 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

Fuse box diagram (TrailBlazer EXT)

Interior fuse box diagram: Chevrolet TrailBlazer EXT

Assignment of the fuses in the Rear Underseat Box (TrailBlazer EXT, 2004-2006)

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 OnStar Overhead 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 Transmission Control Module
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 RightTurn 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
BLANK Not Used


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