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.

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

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.