Chevrolet TrailBlazer (2002 – 2009) – fuse box diagram

Chevrolet TrailBlazer (2002 – 2009) – fuse box diagram

Year of production: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

Passenger Compartment Fuse Box

The rear under-seat fuse block is located on the driver’s side of the vehicle, under the second-row seat. Pull the seat cushion forward to access the fuse block.
Chevrolet Trailblazer - fuse box diagram - passenger compartment
Chevrolet Trailblazer – fuse box diagram – passenger compartment
No. A Protected Component
1  –
2  –
3  –
4  –
5  –
6  –
7 3 except for Saab: Body Control Module (BCM)
10 Saab: Body Control Module (BCM)
8 10 Electronic Brake Control Module (EBCM)
9 3 except for Saab: Body Control Module (BCM)
10 Saab: Park/Turn Signal Lamp – LF
10 3 Saab: Body Control Module (BCM)
11 15 Transfer Case Shift Control Switch, Automatic Level Control (ALC) Compressor, Front Axle Actuator
12 10 Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM), Powertrain Control Module (PCM), Theft Deterrent Control Module, 1-2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, 3-2 Shift Solenoid (3-2 SS) Valve, Torque Converter Clutch (TCC) Solenoid Valve
13 20 except for Saab: Auxiliary Power Outlet (Front), Auxiliary Power Outlet (Console), Auxiliary Power Outlet (Rear (’05-’09))
14 30 except for Saab: HVAC Control Module
15 10 Instrument Panel Cluster, Front Passenger Door Module (FPDM), Tail Lamp Assembly (Right), Marker Lamp (Right), Park/Tum Signal Lamp
16 10 Trailer Connector (Park Lamps)
17 15 Radio, Digital Radio Receiver
18 10 except for Saab: Body Control Module (BCM)
10 Saab: Park/Turn Signal Lamp – RF
19 10 HVAC Control Module, Turn Signal/Multifunction Switch, Air Temperature Actuators, Defrost Actuator, Recirculation Actuator, Mode Actuator, Console Mode Actuator, Traction Control Switch, Electronic Brake Control Module (EBCM), HVAC Control Module (Auxiliary), Steering Wheel Speed/Position Sensor
20 10 Instrument Panel Cluster, Driver Door Module (DDM), Tail Lamp Assembly (Left), Marker Lamp (Left), Park/Tum Signal Lamp
21 10 Turn Signal/Multifunction Switch, Marker Lamps, Front Park and Turn Signal
22 10 HVAC Control Module, HVAC Control Module (Auxiliary)
23 10 Transmission Control Module (TCM)
24 15 Tail Lamps, Powertrain Control Module (PCM), Throttle Actuator Control (TAC), Module Engine Control Module (ECM), Trailer Brake Wiring, Transmission Control Module (TCM)
25 25 Windshield Wiper Motor
26 10 ’03-’06 (except Saab): Body Control Module (BCM)
20 ’06-’09 (except Saab): Sunroof Motor
10 Saab: Body Control Module (BCM)
27 3 except for Saab: Body Control Module (BCM)
28 10 ’03-’06 (except Saab): Outside Moisture Sensor, Digital Video Disc (DVD) Player
29 20 Saab: Sunroof Motor
30 10 Garage Door Opener, Voice Recorder, Digital Video Disc (DVD) Player, Vehicle Communication Interface Module (CIM)
31 20 EXT (’03-’06): Sunroof Module
32  –
33  –
34 10 Power Door Lock (“LOCK” Relay and “UNLOCK” Relay)
35 20 ’03-’06 (except Saab): Sunroof Module
20 EXT (’03-’06): Quarter Glass Switches and Actuators, Sunroof Module
36 10 ’05-’09: Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module – Driver
37 10 Right Tail Lamp Assembly, Clearance Lamps
38 10 Center High-Mounted Stop Lamp (CHMSL)
39 10 License Lamps and Left Tail Lamp
40 30 ’03-’06 (except Saab): Blower Motor (Auxiliary), Blower Motor Control Processor (Auxiliary)
41 20 ’03-’04 (except Saab): Auxiliary Power Outlet (Rear)
42 20 Audio Amplifier
43 10 Front Passenger Door Module (FPDM)
44 15 Rear Window Wiper Motor
45 10 Driver Door Module (DDM)
46 10 ’03-’04 (except Saab): Memory Seat Module (Driver), Memory Seat Module (Front Passenger), Cobra Intrusion Sensor and Inclination Sensor
47 10 Rear Fog Lamp
48 10 Body Control Module (BCM)
49 30 Liftgate Module
50 10 Body Control Module (BCM)
51 20 Saab: Auxiliary Power Outlet – Front/Rear
52 2 Saab: Body Control Module (BCM)
Circuit Breaker
51 30 Power Seat, Memory Seat Module (Driver), Memory Seat Module (Front Passenger)
52 25 Power Window (Driver Door Module (DDM), Left Rear Window Switch)
53 25 Power Window (Front Passenger Door Module (FPDM), Right Rear Window Switch)
Relay
R1 except for Saab: Rear Fog Lamp
R2 Park Lamps, Tail Lamps (Fuse: “16”, “21”, “37”, “39”)
R3 Power Door Unlock (Rear Door Lock Actuators)
R4 Power Door Lock (Rear Door Lock Actuators)
R5 EXT (’03-’06): Quarter Glass Switches and Actuators, Sunroof Module
R6 Saab: Ignition (Fuse: “8:, “11”, “19”)
R7 Saab: Accessory (Fuse: “25”, “23”)
R8 Saab: Ignition (Fuse: “12”)

Engine Compartment Fuse Box

Chevrolet Trailblazer - fuse box diagram - engine compartment
Chevrolet Trailblazer – fuse box diagram – engine compartment
No. A Protected Component
1 10 Evaporative Emission (EVAP) Canister Vent Solenoid, Transmission Control Module (TCM)
2 10 ’05-’09 (5.3L, 6.0L): Body Control Module (BCM), Theft-Deterrent Alarm, Theft Deterrent Control Module
3 15 Windshield Washer Fluid Pump
4 10 High Beam Headlamps, High Beam Relay
5 10 ’05-’09 (5.3L, 6.0L): Heated Oxygen Sensor
6 10 4.2L: Air Conditioner Relay
10 ’05-’09 (5.3L, 6.0L): Heated Oxygen Sensor
7  –
8 25 ’03: Transfer Case Shift Control Module, Transfer Case Encoder Motor
30 ’04-’09: Transfer Case Encoder Motor, Transfer Case Shift Control Module
9 20 ’05-’09 (5.3L, 6.0L): Fuel Injectors, Ignition Coils (Right Side)
15 ’03-’04 (5.3L): Fuel Injectors, Ignition Coils (Right Side)
10 ’06-’09 (4.2L): Heated Oxygen Sensor
10 15 ’03-’04 (5.3L): Fuel Injectors, Ignition Coils (Left Side)
15 Evaporative Emission (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) Assembly
11 15 5.3L, 6.0L: Throttle Actuator Control (TAC) Module – Powertrain Control Module (PCM) / Engine Control Module (ECM)
12 10 ’03-’04: Body Control Module (BCM), Theft-Deterrent Alarm, Theft Deterrent Control Module
20 ’05-’09 (5.3L, 6.0L): Fuel Injectors, Ignition Coils (Left Side)
10 ’05-’09 (4.2L): Body Control Module (BCM), Theft-Deterrent Alarm, Theft Deterrent Control Module
13 10 Trailer Connector (Right Turn Signal)
14 30 Automatic Level Control Compressor
15 10 Trailer Connector (Back-Up Lamps)
16 10 Trailer Connector (Left Turn Signal)
17 5 Saab: Ignition Switch
18 25 Stoplamp Switch
19 20 Cigar Lighter, Data Link Connector (DLC)
20 10 5.3L, 6.0L: Air Conditioner Relay
21 20 Fuel Pump Relay, Powertrain Control Module (PCM)
22 15 Electronic Adjustable Pedals (EAP) Relay
23 10 Right High-Beam Headlamp
24 10 Left High-Beam Headlamp
25 10 Powertrain Control Module (PCM) / Engine Control Module (ECM)
26 10 Stop Lamp Switch, A/T Shift Lock Actuator
27 10 Right Low-Beam Headlamp
28 10 Left Low-Beam Headlamp
29 15 Headlamp Driver Module (HDM) Relay
30 25 Turn Signal/Hazard Flasher Module
31 10 Body Control Module (BCM)
32 10 Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor
33 10 ’03-’08: Engine Cooling Fan (Fan Driver Module)
34 10 Ignition Relay No.1, Air Conditioner Relay, Park/Neutral Position (PNP) Switch, Headlamp Leveling Actuators, Inverting Driver Module, Stop Lamp Switch, Traction Control Switch, Headlamp Leveling Switch, Instrument Panel Cluster, Turn Signal/Multifunction Switch, Inside Rearview Mirror
35 10 ’03: EVAP Canister Purge Solenoid, EVAP Canister Vent Solenoid
15 ’04-’09: Electronic Adjustable Pedals (EAP) Relay, Back-Up Lamps (Park/Neutral Position (PNP) Switch)
36 15 4.2L: Powertrain Control Module (PCM) / Engine Control Module (ECM), Fuel Injectors, Ignition Coils
15 5.3L, 6.0L: Engine Control Module (ECM)
37 15 ’04-’08 (4.2L): Secondary Air Injection (AIR) Pump Relay, Secondary Air Injection (AIR) Pump, Secondary Air Injection (AIR) Solenoid
38 10 4.2L: Powertrain Control Module (PCM), Throttle Actuator Control (TAC) Module
15 ’03-’04 (5.3L): Heated Oxygen Sensors
15 ’09: Secondary Air Injection (AIR) Pump Relay
39 15 ’03: Back-Up Lamps (Park/Neutral Position (PNP) Switch)
10 ’04-’05: EVAP Canister Purge Solenoid, EVAP Canister Vent Solenoid
40 10 ’03-’05 (4.2L): Heated Oxygen Sensors
15 ’03-’04 (5.3L): Heated Oxygen Sensors
15 ’05-’09 (5.3L, 6.0L): 1-2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, 3-2 Shift Solenoid (2-3 SS) Valve, Torque Converter Clutch (TCC) Solenoid Valve, Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve, Transmission Control Module (TCM)
41 20 Headlamp Washer Relay, Rear Window Wiper Motor Relay
42 15 Front Fog Lamp Relay
43 30 Trailer Brake Wiring
44 15 Horn Relay
45 10 Instrument Panel Cluster (IPC)
46 10 ’05-’09 (5.3L, 6.0L): Engine Control Module (ECM)
47 15 ’05-’09: Regulated Voltage Control
48 15 ’09: Engine Control Module (ECM)
49 30 Trailer Connector
50 60 ABS – Electronic Brake Control Module (EBCM)
51 60 4.2L: Secondary Air Injection (AIR) Pump Relay
52 60 ’06-’09: Vehicle Stability Enhancement System (VSES) – Electronic Brake Control Module (EBCM)
53  –
54  –
55 40 ’06-’09: Blower Motor Control Module, Blower Motor Resistor Assembly
56 40 Starter Relay, Ignition Switch
57  –
58 40 ’03-’05: Blower Motor Resistor Assembly (HVAC Manual), Blower Motor Control Processor (HVAC Auto)
59 40 Ignition Switch
60  –
61  –
62 125 Fuse Block (Passenger Compartment)
63 15 ’09: Evaporative Emission (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) Assembly
64 15 ’09 (Saab): Evaporative Emission (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Relay
R1 Windshield Washer Fluid Pump
R2 High Beam Headlamps
R3 ’03-’04 (5.3L): Ignition (Fuse: “5”, “10”, “11”)
’05-’09: Powertrain Control Module (PCM) / Engine Control Module (ECM)
R4 4.2L: Air Conditioner
’09: Secondary Air Injection (AIR) Pump
R5  –
R6 Starter
R7 5.3L, 6.0L: Air Conditioner
R8 Fuel Pump
R9 Electronic Adjustable Pedals (EAP)
R10 Engine Cooling Fan
R11 Headlamp Driver Module (Low Beam Headlamps)
R12  –
R13 Headlamp Washer System
R14 Rear Window Washer Fluid Pump
R15 Front Fog Lamp
R16 Horn
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.