Chevrolet Trailblazer (2002) – fuse box diagram

Year of production: 2002

Engine Compartment Fuse Block

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

Chevrolet Trailblazer -  wiring diagram - fuse box diagram - engine compartment
Chevrolet Trailblazer – wiring diagram – fuse box diagram – engine compartment
Mini fuses Usage
1 ECAS
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 WASH
8 ATC
9 Windshield Wipers
10 Powertrain Control Module B
11 Fog Lamps
12 ST/LP
13 Cigarette Lighter
14 COILS
15 RIDE
16 TBD — Ignition 1
17 Crank
18 Air Bag
19 ELEK Brake
20 Cooling Fan
21 Horn
22 Ignition E
23 ETC
24 Instrument Panel Cluster, Driver Information Center
25 Automatic Shift Lock Control System
26 ENG 1
27 Back-Up
28 Powertrain Control Module 1
29 Oxygen Sensor
30 Air Conditioning
31 TBC
50 Passenger’s Side Trailer TRN
51 Driver’s Side Trailer TRN
52 Hazard Flashers
J-Case fuses Usage
32 Trailer
33 Anti-Lock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B

 

Micro relays Usage
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
Solid state relays Usage
45 Cooling Fan
46 HDM

 

Mini relay Usage
47 Starter

 

Miscellaneous Usage
48 Instrument Panel Battery
49 Fuse Puller

Rear Underseat Fuse Block

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

Chevrolet Trailblazer -  wiring diagram - fuse box diagram - rear underseat
Chevrolet Trailblazer –
wiring diagram – fuse box diagram – rear underseat
Fuses Usage
01 Right Door Control Module
02 Left Door Control Module
03 LGM 2
04 TBC 3
05 Rear Fog Lamps
06 LGM/DSM
07 TBC 2
08 Power Seats
09 Blank
10 DDM
11 AMP
12 PDM
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Auxiliary Power 2
16 VEH CHMSL
17 Right Rear Parking Lamps
18 LOCKS
19 Blank
20 Sunroof
21 LOCK
23 Blank
24 UNLOCK
25 Blank
26 Blank
27 OH Battery/OnStar System
29 Rainsense Wipers
30 Parking Lamps
31 TBC 4CC
32 TBC5
33 Front Wipers
34 VEH STOP
35 Blank
36 HVAC B
37 Front Parking Lamps
38 Left Turn Signal
39 HVAC 1
40 TBC 4
41 Radio
42 TR PARK
43 Right Turn Signal
44 HVAC
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 TBC IG
51 Brakes
52 TBC RUN

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