Chevrolet TrailBlazer (2002-2009) fuses and relays

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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)

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Assignment of the fuses and relay in the Underhood Fuse Box, L6 engine (2002, 2003)
Usage
1Electrically-Controlled Air Suspension
2Passenger's Side Hiqh-Beam Headlamp
3Passenger's Side Low-Beam Headlamp
4Back-Up-Trailer Lamps
5Driver's Side High-Beam Headlamp
6Driver s Side Low-Beam Headlamp
7WASH
8Automatic Transfer Case
gWindshield Wipers
10Powertrain Control Module B
11Fog Lamps
12Stop Lamp
13Cigarette Lighter
14Ignition Coils
15Air Suspension Ride
16TBD-Ignition 1
17Crank
18Air Bag
19Electric Brake
20Cooling Fan
21Horn
22Ignition E
23Electronic Throttle Control
24Instrument Panel Cluster, Dnver Information Center
25Automatic Shift Lock Control System
26Engine 1
27Back-Up
28Powertrain ControJ Module 1
29Oxygen Sensor
30Air Conditioning
31Truck Body Controller
32Trailer
33Anti-Lock Brakes (ABS)
34Ignition A
35Blower Motor
36Ignition B
50Passenger s Side Trailer Turn
51Driver s Side Trailer Turn
52Hazard Flashers
Relays
37Blank
38Rear Window Washer
39Fog Lamps
40Horn
41Fuel Pump
42Windshield Wipers/Washer
43High-Beam Headlamp
44Air Conditioning
45Cooling Fan
46Headlamp Driver Modulo
47Starter
Miscellaneous
48Instrument Panel Battery
49Fuse Puller

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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
1Electrically-Controlled Air-suspension
2Passenger's Side High-Beam Headlamp
3Passenger's Side Low-Beam Headlamp
4Back-Up Trailer Lamps
5Driver's Side High-Beam Headlamp
6Driver's Side Low-Beam Headlamp
7Rear Window Washer, Headlamp Washer
8Automatic Transfer Case
9Windshield Washer
10Powertrain Control Module B
11Fog Lamps
12Stoplamp
13Cigarette Lighter
142004-2005: Ignition Coils
15Electric Adjustable Pedal
16Truck Body Controller, Ignition 1
17Crank
18Airbag
19Trailer Electric Brake
20Cooling Fan
21Horn
22Ignition E
23Electronic Throttle Control
24Instrument Panel Cluster, Driver Information Center
25Automatic Shift Lock Control System
262004: Backup
2005-2006: Engine 1
272004: Engine 1
2005-2006: Backup
28Powertrain Control Module 1
29Oxygen Sensor
30Air Conditioning
31Truck Body Controller
32Trailer
33Anti-Lock Brakes (ABS)
34Ignition A
35Blower Motor
36Ignition B
50Passenger's Side Trailer Turn
51Driver's Side Trailer Turn
52Hazard Flashers
532004: Electric Adjustable Pedal
2005-2006: Headlamp Driver Module
54Air Injection Reactor (AIR) Solenoid
56Air Injection Reactor (AIR) Pump
Relays
37Headlamp Washer
38Rear Window Washer
39Fog Lamps
40Horn
41Fuel Pump
42Windshield Washer
43High-Beam Headlamp
44Air Conditioning
45Cooling Fan
46Headlamp Driver Module
47Starter
49Electric Adjustable Pedal
55Air Injection Reactor (AIR) Solenoid
57Powertrain (2006)
58Vehicle Stability EnhancementSystem (StabiliTrak) (2006)
Miscellaneous
48Instrument Panel Battery

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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
1Electrically-Controlled Air Suspension
2Passenger Side High-Beam Headlamp
3Passenger Side Low-Beam Headlamp
4Back-Up Trailer Lamps
5Driver Side High-Beam Headlamp
6Driver Side Low-Beam Headlamp
7Windshield Wiper
8Automatic Transfer Case
9Windshield Washer
10Powertrain Control Module B
11Fog Lamps
12Stoplamp
13Cigarette Lighter
14Not Used
15Electric Adjustable Pedal
16Truck Body Controller, Ignition 1
17Crank
18Airbag
19Trailer Electric Brake
20Cooling Fan
21Horn
22Ignition E
23Electronic Throttle Control
24Instrument Panel Cluster, Driver Information Center
25Automatic Shift Lock Control System
26Transmission Control Module (TCM) Canister
27Backup
28Powertrain Control Module 1
29Oxygen Sensor
30Air Conditioning
31Truck Body Controller 1
32Trailer
33Antilock Brakes (ABS)
34Ignition A
35Blower Motor
36Ignition B
50Passenger Side Trailer Turn
51Driver Side Trailer Turn
52Hazard Flashers
53Headlamp Driver Module
54Air Injection Reactor (AIR) Solenoid
56Air Injection Reactor (AIR) Pump
58Vehicle Stability Enhancement System (StabiliTrak)
59Regulated Voltage Control
Relays
37Headlamp Washer
38Rear Window Wiper/Washer
39Fog Lamps
40Horn
41Fuel Pump
42Windshield Washer
43High-Beam Headlamp
44Air Conditioning
45Cooling Fan
46Headlamp Driver Module
47Starter
49Electric Adjustable Pedal
55Air Injection Reactor (AIR) Solenoid
57Powertrain
Miscellaneous
48Instrument Panel Battery

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

Fuse box diagrams (V8 Engine)

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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
1Electrically-Controlled Air Suspension
2Passenger's Side High-Beam Headlamp
3Passenger's Side Low-Beam Headlamp
4Back-Up-Trailer Lamps
5Driver's Side High-Beam Headlamp
6Driver's Side Low-Beam Headlamp
7Rear Window Washer, Headlamp Washer
8Automatic Transfer Case
9Windshield Washer
10Powertrain Control Module B
11Fog Lamps
12Stop Lamp
13Cigarette Lighter
14Ignition Coils
15Canister Vent
16TBC-Ignition 1
17Crank
18Air Bag
19Trailer Electric Brake
20Cooling Fan
21Horn
22Ignition E
23Electronic Throttle Control
24Instrument Panel Cluster, Driver Information Center
25Automatic Shift Lock Control System
262003: Engine 1
2004: Backup
272003: Backup
2004: Engine 1
28Powertrain Control Module 1
30Air Conditioning
31Truck Body Controller
32Trailer
33Anti-Lock Brakes (ABS)
34Ignition A
35Blower Motor
36Ignition B
50Passenger's Side Trailer Turn
51Driver's Side Trailer Turn
52Hazard Flashers
53Oxygen Sensor Bank B
54Oxygen Sensor Bank A
55Injector Bank A
56Injector Bank B
57Electric Adjustable Pedal
Relays
37Headlamp Washer
38Rear Window Washer
39Fog Lamps
40Horn
41Fuel Pump
42Windshield Washer
43High-Beam Headlamp
44Air Conditioning
45Cooling Fan
46Headlamp Driver Module
47Starter
49Electric Adjustable Pedal
58Ignition 1
Miscellaneous
48Instrument Panel Battery

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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
1Electrically-Controlled Air Suspension
2Passenger Side High-Beam Headlamp
3Passenger Side Low-Beam Headlamp
4Back-Up-Trailer Lamps
5Driver Side High-Beam Headlamp
6Driver Side Low-Beam Headlamp
72005-2006: Rear Window Washer, HeadlampWasher
2007-2008: Windshield Wiper
8Automatic Transfer Case
9Windshield Washer
10Powertrain Control Module B
11Fog Lamps
12Stoplamp
13Cigarette Lighter
14Ignition Coils
152005-2006: Canister Vent
2007-2008: Transmission Control Module / Canister Vent
16Truck Body Controller, Ignition 1
17Crank
18Airbag
19Trailer Electric Brake
20Cooling Fan
21Horn
22Ignition E
23Electronic Throttle Control
24Instrument Panel Cluster, Driver Information Center
25Automatic Shift Lock Control System
26Engine 1
27Backup
28Powertrain Control Module 1
29Powertrain Control Module
30Air Conditioning
31Injector Bank A
32Trailer
33Antilock Brakes (ABS)
34Ignition A
35Blower Motor
36Ignition B
50Passenger Side Trailer Turn
51Driver Side Trailer Turn
52Hazard Flashers
53Transmission
54Oxygen Sensor Bank B
55Oxygen Sensor Bank A
56Injector Bank B
57Headlamp Driver Module
58Body Controller 1
59Electric Adjustable Pedal
61Vehicle Stability Enhancement System (StabiliTrak)
62Regulated Voltage Control
Relays
37Headlamp Washer
38Rear Window Wiper
39Fog Lamps
40Horn
41Fuel Pump
42Windshield Washer
43High-Beam Headlamp
44Air Conditioning
45Cooling Fan
46Headlamp Driver Module
47Starter
49Electric Adjustable Pedal
60Powertrain
Miscellaneous
48Instrument 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)

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Fuse box diagram (TrailBlazer)

Interior fuse box diagram: Chevrolet TrailBlazer

Assignment of the fuses in the Rear Underseat Box (TrailBlazer, 2002-2009)
Usage
01Passenger Door Control Module
02Driver Door Control Module
03Liftgate Module 2
04Truck Body Controller 3
05Rear Fog Lamps
062002-2003: Liftgate Module/Driver Seat
Module
2004-2009: Blank
07Truck Body Controller 2
08Power Seats
092002-2003: Blank
2003-2009: Rear Wiper
10Driver Door Module
11Amplifer
12Passenger Door Module
13Rear Climate Controls
14Driver Side Rear Parking Lamps
152002-2003: Auxiliarv Power 2
2003-2009: Blank
16Vehicle Center High-Mounted Stoplamp (CHMSL)
17Passenger Side Rear Parking Lamps
18Locks
192002-2003: Blank
2003-2009: Liftgate Module/Driver Seat Module
202002-2004: Sunroof
2005-2009: Blank
21Lock
23Blank
24Unlock
25Blank
26Blank
27OnStar Overhead Battery, OnStar System
282002-2004: Blank
2005-2009: Sunroof
29Not Used
30Parking Lamps
31Truck Body Controller Accessory
32Truck Body Controller 5
33Front Wipers
34Vehicle Stop
352002-2004: Blank
2005-2009: Transmission Control Module
36Heat Ventilation Air Conditioning B
37Front Parking Lamps
38Driver Side Turn Signal
39Heat Ventilation Air Conditioning 1
40Truck Body Controller 4
41Radio
42Trailer Park
43Passenger Side Turn Signal
44Heat Ventilation Air Conditioning
45Rear Fog Lamps
46Auxiliary Power 1
47Ignition 0
48Four-Wheel Drive
49Blank
50Truck Body Controller Ignition
51Brakes
52Truck Body Controller Run

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

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