The fifth-generation Mazda B-Series trucks made between 2002 and 2006, were tough and reliable rides. If you own a B2300, B3000, or B4000 from those years, you might want to know about its fuse box. Inside, there are diagrams showing where the fuses are and what they do.
Cigar lighter (power outlet) fuses: 2002-3003: the fuses #17 (Cigar Lighter) and #22 (Auxiliary Power Socket) in the passenger compartment fuse box. Since 2004: fuses #29 (Cigar lighter) and #34 (Powerpoint) in the passenger compartment fuse box.
[2002]
Engine compartment
(2.3L)
Fuse Number Fuse Amp Rating Description 1 50A** I/P Fuse Panel 2 — Not Used 3 — Not Used 4 — Not Used 5 — Not Used 6 50A** ABS Pump Motor 7 30A* Powertrain Control Module (PCM) 8 20A* Central Security Module, Power Door Locks, Remote Entry 9 — Not Used 10 — Not Used 11 50A** Starter Relay, Ignition Switch 12 20A* Power Windows 13 — Not Used 14 — Not Used 15 — Not Used 16 40A** Blower Motor 17 20A** Auxiliary Cooling Fan 18 — Not Used 19 — Not Used 20 — Not Used 21 10 A* PCM Memory 22 — Not Used 23 20A* Fuel Pump Motor 24 30A* Headlamps 25 10 A* A/C Clutch Relay 26 — Not Used 27 — Not Used 28 30A* 4WABS Module 29 — Not Used 30 15 A* Trailer Tow 31 20A* Foglamp, Daytime Running Lamps (DRL) 32 — Not Used 33 15A* Park Lamp, Central Security Module 34 — Not Used 35 Not Used 36 Not Used 37 — Not Used 38 10 A* Left Headlamp Low Beam 39 — Not Used 40 — Not Used 41 20A* Heated Oxygen Sensors 42 10 A* Right Headlamp Low Beam 43 — (Resistor) 44 — Not Used 45A — Wiper High/Low Relay 45B — Wiper Park/Run Relay 46A — Fuel Pump Relay 46B — Trailer Tow Relay 47 — Starter Relay 48 — Auxiliary Cooling Fan 49 — Not Used 50 — Not Used 51 — Not Used 52 — Not Used 53 — Powertrain Control Module (PCM) Diode 54 — Powertrain Control Module (PCM) Relay 55 — Blower Motor Relay 56A — A/C Clutch Relay 56B — Front Washer Pump Relay * Mini Fuses ** Maxi Fuses
(3.0L and 4.0L)
Fuse Number Fuse Amp Rating Description 1 50A** I/P Fuse Panel 2 — Not Used 3 — Not Used 4 — Not Used 5 — Not Used 6 50A** ABS Control Module 7 30A* Powertrain Control Module (PCM) 8 20A* Central Security Module, Power Door Locks, Remote Entry 9 — Not Used 10 — Not Used 11 50A** Starter Relay, Ignition Switch 12 20A* Power Window 13 20A* Four Wheel Drive Control Module 14 — Not Used 15 — Not Used 16 40A** Blower Motor 17 — Not Used 18 — Not Used 19 — Not Used 20 — Not Used 21 10 A* PCM Memory 22 — Not Used 23 20A* Fuel Pump Motor 24 30A* Headlamps 25 10 A* A/C Clutch Relay 26 — Not Used 27 — Not Used 28 30A* 4WABS Module 29 — Not Used 30 15 A* Trailer Tow 31 20A* Fog lamps, Daytime Running Lamps (DRL) 32 — Not Used 33 15 A* Park Lamp, Central Security Module 34 — Not Used 35 — Not Used 36 — Not Used 37 — Not Used 38 10 A* Left Headlamp Low Beam 39 — Not Used 40 — Not Used 41 20A* Heated Oxygen Sensors 42 10 A* Right Headlamp Low Beam 43 — Not Used 44 — Not Used 45A — Wiper High/Low Relay 45B — Wiper Park/Run Relay 46A — Fuel Pump Relay 46B — Trailer Tow Relay 47A — A/C Clutch Solenoid Relay 47B — Front Washer Pump Relay 48A — Fog Lamps Relay 48B — Fog Lamp Relay 51 — Not Used 52 — Not Used 53 — Powertrain Control Module (PCM) Diode 54 — Powertrain Control Module (PCM) Relay 55 — Blower Motor Relay 56 — Starter Relay * Mini Fuses ** Maxi Fuses
Passenger compartment
Fuse Number Fuse Amp Rating Description 1 5A Power Mirror Switch 2 10A Daytime Running Lights (DRL), Back-up Lamps, Transmission, Passenger Air Bag Deactivation Switch, Blow er Motor Relay 3 7.5A Right Stop/Turn Trailer Tow-Connector 4 — Not Used 5 15A 4×4 Control Module 6 — Not Used 7 7.5A Left Stop/Turn Trailer Tow-Connector 8 — Not Used 9 7.5A Brake Pedal Position Switch 10 7.5A Speed Control Servo/Amplifier Assembly, Generic Electronic Module (GEM), Shift Lock Actuator, Turn Signals 11 7.5A Instrument Cluster, 4×4, Main Light Switch, Central Security Module (CSM) 12 — Not Used 13 20A Brake Pedal Position Switch 14 10A or Not Used 10A: If equipped with Anti-Lock Brake System (ABS) Control Module 15 — Not Used 16 30A Windshield Wiper Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay 17 20A Cigar Lighter, Data Link Connector (DLC) 18 — Not Used 19 25A PCM Power Diode, Ignition, PATS 20 7.5A Generic Electronic Module (GEM), Radio 21 15A Flasher (Hazard) 22 20A Auxiliary Pow er Socket 23 — Not Used 24 7.5A Clutch Pedal Position (CPP) switch, Starter Interrupt Relay 25 Not Used 26 10A Battery Saver Relay, Auxiliary Relay Box, Restraint Central Module (RCM), Generic Electroic Module (GEM), Instrument Cluster 27 — Not Used 28 7.5A Generic Electronic Module (GEM), Radio 29 20A Radio 30 — Not Used 31 — Not Used 32 — Not Used 33 15A Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster 34 — Not Used 35 15A Horn Relay (If Not Equipped with Central Security Module) 36 — Not Used
[2003]
Engine compartment
(2.3L)
Fuse Number Fuse Amp Rating Description 1 50A** I/P fuse panel 2 — Not used 3 — Not used 4 — Not used 5 — Not used 6 50A** Anti-lock Brake System (ABS) pump motor 7 30A* Powertrain Control Module (PCM) 8 20 A* Central security module, Power door locks, Remote entry 9 — Not used 10 — Not used 11 50A** Starter relay, Ignition switch 12 20 A* Power windows 13 — Not used 14 — Not used 15 — Not used 16 40A** Blower motor 17 20A** Auxiliary cooling fan 18 — Not used 19 — Not used 20 — Not used 21 10 A* PCM memory 22 — Not used 23 20 A* Fuel pump motor 24 30A* Headlamps 25 10 A* A/C clutch relay 26 — Not used 27 — Not used 28 30A* ABS module 29 — Not used 30 15 A* Trailer Tow 31 20 A* Foglamp, Daytime Running Lamps (DRL) 32 — Not used 33 15A* Park lamp, Central security module 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 10 A* Left headlamp low beam 39 — Not used 40 — Not used 41 20 A* Heated oxygen sensors 42 10 A* Right headlamp low beam 43 — (Resistor) 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper park/run relay 46A — Fuel pump relay 46B — Trailer tow relay 47 — Starter relay 48 — Auxiliary cooling fan relay 49 — Not used 50 — Not used 51 — Not used 52 — Not used 53 — PCM Diode 54 — PCM Relay 55 — Blower motor relay 56A — A/C clutch relay 56B — Front washer pump relay * Mini Fuses ** Maxi Fuses
(3.0L and 4.0L)
Fuse Number Fuse Amp Rating Description 1 50A** I/P fuse panel 2 — Not used 3 — Not used 4 — Not used 5 — Not used 6 50A** Anti-lock Brake System (ABS) Pump Motor 7 30A* Powertrain Control Module (PCM) 8 20 A* Power door locks, Remote entry 9 — Not used 10 — Not used 11 50A** Starter relay, Ignition switch 12 20 A* Power windows 13 20 A* 4×4 motor 14 — Not used 15 — Not used 16 40A** Blower motor 17 — Not used 18 — Not used 19 — Not used 20 — Not used 21 10 A* Powertrain Control Module (PCM) memory 22 — Not used 23 20 A* Fuel pump motor 24 30A* Headlamps 25 10 A* A/C clutch solenoid 26 — Not used 27 — Not used 28 30A* Anti-lock Brake System (ABS) module 29 — Not used 30 15 A* Trailer tow 31 20 A* Foglamps, Daytime Running Lamps (DRL) 32 — Not used 33 15 A* Park lamp 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 10 A* Left headlamp low beam 39 — Not used 40 — Not used 41 20 A* Heated oxygen sensors 42 10 A* Right headlamp low beam 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper park/run relay 46A — Fuel pump relay 46B — Trailer tow relay 47A — A/C clutch solenoid relay 47B — Front washer pump relay 48A — Fog lamps 48B — Fog lamp relay 51 — Not used 52 — Not used 53 — Powertrain Control Module (PCM) Diode 54 — Powertrain Control Module (PCM) 55 — Blower relay 56 — Starter relay * Mini Fuses ** Maxi Fuses
Passenger compartment
Fuse Number Fuse Amp Rating Description 1 5A Power mirror switch 2 10A Daytime Running Lights (DRL), Back-up lamps, Transmission, Passenger air bag deactivation switch, Blower motor relay 3 7.5A Left stop/turn trailer tow connector 4 — Not used 5 15A 4×4 control module 6 2A Brake pressure switch 7 7.5A Right stop/turn trailer tow’ connector 8 — Not used 9 7.5A Brake pedal position switch 10 7.5A Speed control servo/amplifier assembly, Generic Electronic Module (GEM), Shift lock actuator, Turn signals, 4×4 11 7.5A Instrument cluster, 4×4, Main light switch, Central Security Module (CSM), Generic Electronic Module (GEM) 12 — Not used 13 20A Brake pedal position switch 14 10A Anti-lock Brake System (ABS) control module 15 — Not used 16 30A Windshield wiper motor, Wiper HI/LO relay, Wiper run/park relay 17 20A Cigar lighter, Data Link Connector (DLC) 18 — Not used 19 25A Powertrain Control Module (PCM) power diode, Ignition, PATS (Passive Anti-Theft System) 20 7.5A Generic Electronic Module (GEM), Radio 21 15A Hazard flasher 22 20A Auxiliary power socket 23 — Not used 24 7.5A Clutch Pedal Position (CPP) switch, Starter interrupt relay 25 — Not used 26 10A Battery saver relay, Auxiliary relay box, Restraint Central Module (RCM), Generic Electronic Module (GEM), Instrument cluster 27 — Not used 28 7.5A Generic Electronic Module (GEM), Radio 29 20A Radio 30 — Not used 31 — Not used 32 — Not used 33 15A Headlamps, Daytime Running Lamps (DRL) module, Instrument cluster 34 — Not used 35 15A Horn relay (if not equipped with a Central Security Module) 36 — Not used
[2004]
Engine compartment
(2.3L)
Fuse Number Fuse Amp Rating Description 1 50A** Passenger compartment fuse panel 2 — Not used 3 50A** Passenger compartment fuse panel 4 — Not used 5 50A** Passenger compartment fuse panel 6 — Not used 7 40 A** Starter relay fuse 8 — Not used 9 40 A** Ignition switch 10 — Not used 11 30A** Powertrain Control Module (PCM), Engine sensors 12 — Not used 13 30A** Blower motor (climate control) 14 — Not used 15 30A** Anti-lock Brake System (ABS) (solenoids) 16 — Not used 17 40 A** ABS (motor) 18 — Not used 19 20A** Engine fan 20 — Not used 21 10 A* PCM 22 — Not used 23 20A* Fuel pump 24 — Not used 25 10 A* A/C clutch solenoid 26 — Not used 27 — Not used 28 — Not used 29 — Not used 30 — Not used 31 — Not used 32 — Not used 33 — Not used 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 7.5A* Trailer tow (right turn) 39 — Not used 40 — Not used 41 15A* HEGOs 42 7.5A* Trailer tow (left turn) 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper Park/Run relay 46A — Fuel pump relay 46B — Washer pump relay 47 — Engine fan relay 48 — Starter relay 49 — Not used 50 — Not used 51 — Not used 52 — Not used 53 — Not used 54 — PCM relay 55 — Blower relay 56A — A/C clutch solenoid relay 56B — Not used * Mini Fuses ** Maxi Fuses
(3.0L and 4.0L)
Fuse Number Fuse Amp Rating Description 1 50A** Passenger compartment fuse panel 2 — Not used 3 50A** Passenger compartment fuse panel 4 — Not used 5 50A** Passenger compartment fuse panel 6 — Not used 7 40 A** Starter relay fuse 8 — Not used 9 40 A** Ignition switch 10 — Not used 11 30A** Powertrain Control Module (PCM) relay fuse 12 — Not used 13 30A** Blower motor (climate control) 14 — Not used 15 30A** Anti-lock Brake System (ABS) (solenoids) 16 — Not used 17 40 A** ABS (motor) 18 — Not used 19 — Not used 20 — Not used 21 10 A* PCM 22 — Not used 23 20A* Fuel pump 24 — Not used 25 10 A* A/C clutch solenoid 26 — Not used 27 20A* 4×4 module 28 — Not used 29 — Not used 30 — Not used 31 15A* Foglamps 32 — Not used 33 — Not used 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 7.5A* Trailer tow (right turn) 39 — Not used 40 — Not used 41 15A* HEGOs 42 7.5A* Trailer tow (left turn) 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper Park/Run relay 46A — A/C clutch solenoid 46B — Washer pump relay 47 — PCM relay 48A — Fuel pump relay 48B — Fog lamp relay 51 — Not used 52 — Not used 53 — Not used 54 — Not used 55 — Blower relay 56 — Starter relay * Mini Fuses ** Maxi Fuses
Passenger compartment
Fuse Number Fuse Amp Rating Description 1 5A Instrument panel dimmer switch 2 10A Trailer tow park lamps 3 10A Right low beam headlamp 4 10A Left low beam headlamp 5 30A Windshield wipers/washer 6 10A Radio (RUN/ACCY) 7 5A Headlamp illumination indicator 8 10A Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator) 9 5A Cluster air bag indicator 10 10A Cluster (RUN/START), 4×4 module (RUN/START) 11 10A Passenger compartment fuse panel (Logic power) 12 — Not used 13 15A Horn, Interior lamps 14 15A High beam headlamp, High beam indicator (cluster) 15 — One-touch down relay 16 30A cartridge fuse Power windows 17 15A Turn signals/Hazards 18 — Not used 19 20A Center High-Mounted Stop Lamp (CHMSL)/Stop lamps 20 10A Anti-lock Brake System (ABS) module, Brake-shift interlock, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn/hazard) 21 5A Starter relay 22 5A Spare 23 30A Headlamps (low and high beam) 24 20A Radio 25 — Accessory relay 26 2A Brake pressure switch 27 10A Climate control blower relay/blend doors, 4×4 module 28 15A 4×4 module B+ 29 20A Cigar lighter, Diagnostic connector (OBD II) 30 5A Power mirrors 31 20A Front park lamps, Rear park lamps, License plate lamps 32 5A Brake switch (logic) 33 5A Instrument cluster 34 20A Power point 35 15A Power locks
[2005]
Engine compartment
(2.3L)
Fuse Number Fuse Amp Rating Description 1 40A** Passenger compartment fuse panel 2 — Not used 3 40A** Passenger compartment fuse panel 4 — Not used 5 50A** Passenger compartment fuse panel 6 — Not used 7 40A** Starter relay fuse 8 — Not used 9 40A** Ignition switch 10 — Not used 11 30A** Powertrain Control Module (PCM), Engine sensors 12 — Not used 13 30A** Blower motor (climate control) 14 — Not used 15 — Not used 16 — Not used 17 40A** ABS (motor) 18 — Not used 19 20A** Engine fan 20 — Not used 21 10 A* PCM 22 — Not used 23 20 A* Fuel pump 24 — Not used 25 10 A* A/C clutch solenoid 26 — Not used 27 — Not used 28 — Not used 29 — Not used 30 — Not used 31 — Not used 32 — Not used 33 30A* Anti-lock Brake System (ABS) (solenoids) 34 — Not used 35 — Not used 36 Not used 37 — Not used 38 7.5A* Trailer tow (right turn) 39 — Not used 40 — Not used 41 15 A* HEGOs 42 7.5A* Trailer tow (left turn) 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper Park/Run relay 46A — Fuel pump relay 46B — Washer pump relay 47 — Engine fan relay 48 — Starter relay 49 — Not used 50 — Not used 51 — Not used 52 — Not used 53 — Not used 54 — PCM relay 55 — Blower relay 56A — A/C clutch solenoid relay 56B — Not used * Mini Fuses ** Maxi Fuses
(3.0L and 4.0L)
Fuse Number Fuse Amp Rating Description 1 40A** Passenger compartment fuse panel 2 — Not used 3 40A** Passenger compartment fuse panel 4 — Not used 5 50A** Passenger compartment fuse panel 6 — Not used 7 40A** Starter relay fuse 8 — Not used 9 40A** Ignition switch 10 — Not used 11 30A** Powertrain Control Module (PCM) relay fuse 12 — Not used 13 30A** Blower motor (climate control) 14 — Not used 15 — Not used 16 — Not used 17 40A** ABS (motor) 18 — Not used 19 — Not used 20 — Not used 21 10 A* PCM 22 — Not used 23 20 A* Fuel pump 24 — Not used 25 10 A* A/C clutch solenoid 26 — Not used 27 20 A* 4×4 module 28 — Not used 29 — Not used 30 — Not used 31 15 A* Foglamps 32 — Not used 33 30A* Anti-lock Brake System (ABS) (solenoids) 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 7.5A* Trailer tow (right turn) 39 — Not used 40 — Not used 41 15 A* HEGOs 42 7.5A* Trailer tow (left turn) 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper Park/Run relay 46A — A/C clutch solenoid 46B — Washer pump relay 47 — PCM relay 48A — Fuel pump relay 48B — Fog lamp relay 51 — Not used 52 — Not used 53 — Not used 54 — Not used 55 — Blower relay 56 — Starter relay * Mini Fuses ** Maxi Fuses
Passenger compartment
Fuse Number Fuse Amp Rating Description 1 5A Instrument panel dimmer switch 2 10A Trailer tow park lamps 3 10A Right low’ beam headlamp 4 10A Left low beam headlamp 5 30A Windshield wipers/washer 6 10A Radio (RUN/ACCY) 7 5A Headlamp illumination indicator 8 10A Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator) 9 5A Cluster air bag indicator 10 10A Cluster (RUN/START), 4×4 module (RUN/START) 11 10A Smart Junction Box (SJB) (Logic power) 12 — Not used 13 15A Horn, Interior lamps 14 15A High beam headlamp, High beam indicator (cluster) 15 — One-touch down relay 16 30A cartridge fuse Power windows 17 15A Turn signals/Hazards 18 — Not used 19 20A Center High-Mounted Stop Lamp (CHMSL)/Stop lamps 20 10A Anti-lock Brake System (ABS) module, Brake-shift interlock, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn/hazard) 21 5A Starter relay 22 5A Radio (START), 4×4 Neutral sense (manual only) 23 30A Headlamps (low and high beam) 24 20A Radio 25 — Accessory relay 26 2A Brake pressure switch 27 10A Climate control blower relay/blend doors, 4×4 module 28 15A 4×4 module B+ 29 20A Cigar lighter, Diagnostic connector (OBD II) 30 5A Power mirrors 31 20A Front park lamps, Rear park lamps, License plate lamps 32 5A Brake switch (logic) 33 5A Instrument cluster 34 20A Power point 35 15A Power locks
[2006]
Engine compartment
(2.3L)
Fuse Number Fuse Amp Rating Description 1 40A** Passenger compartment fuse panel 2 — Not used 3 40A** Passenger compartment fuse panel 4 — Not used 5 50A** Passenger compartment fuse panel 6 — Not used 7 40A** Starter solenoid 8 — Not used 9 40A** Ignition switch 10 — Not used 11 30A** Powertrain Control Module (PCM), Engine sensors 12 — Not used 13 30A** Blower motor (climate control) 14 — Not used 15 — Not used 16 — Not used 17 40A** ABS (motor) 18 — Not used 19 20A** Engine fan 20 — Not used 21 10A* PCM keep alive power 22 — Not used 23 20A* Fuel pump 24 — Not used 25 10A* A/C clutch solenoid 26 — Not used 27 — Not used 28 — Not used 29 — Not used 30 — Not used 31 — Not used 32 — Not used 33 30A* Anti-lock Brake System (ABS) (solenoids) 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 7.5A* Trailer tow (right turn) 39 — Not used 40 — Not used 41 15 A* HEGOs 42 7.5A* Trailer tow (left turn) 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper Park/Run relay 46 A — Fuel pump relay 46B — Washer pump relay 47 — Engine fan relay 48 — Starter relay 49 — Not used 50 — Not used 51 — Not used 52 — Not used 53 — Not used 54 — PCM relay 55 — Blower relay 56A — A/C clutch solenoid relay 56B — Not used * Mini Fuses ** Maxi Fuses
(3.0L and 4.0L)
Fuse Number Fuse Amp Rating Description 1 40A** Passenger compartment fuse panel 2 — Not used 3 40A** Passenger compartment fuse panel 4 — Not used 5 50A** Passenger compartment fuse panel 6 — Not used 7 40A** Starter solenoid 8 — Not used 9 40A** Ignition switch 10 — Not used 11 30A** Powertrain Control Module (PCM) relay fuse 12 — Not used 13 30A** Blower motor (climate control) 14 — Not used 15 — Not used 16 — Not used 17 40A** ABS (motor) 18 — Not used 19 — Not used 20 — Not used 21 10A* PCM keep alive power 22 — Not used 23 20A* Fuel pump 24 — Not used 25 10A* A/C clutch solenoid 26 — Not used 27 20A* 4×4 module 28 — Not used 29 — Not used 30 — Not used 31 15 A* Foglamps 32 — Not used 33 30A* Anti-lock Brake System (ABS) (solenoids) 34 — Not used 35 — Not used 36 — Not used 37 — Not used 38 7.5A* Trailer tow (right turn) 39 — Not used 40 — Not used 41 15 A* HEGOs 42 7.5A* Trailer tow (left turn) 43 — Not used 44 — Not used 45A — Wiper HI/LO relay 45B — Wiper Park/Run relay 46A — A/C clutch solenoid 46B — Washer pump relay 47 — PCM relay 48A — Fuel pump relay 48B — Fog lamp relay 51 — Not used 52 — Not used 53 — Not used 54 — Not used 55 — Blower relay 56 — Starter relay * Mini Fuses ** Maxi Fuses
Passenger compartment
Fuse Number Fuse Amp Rating Description 1 5A Instrument panel dimmer switch 2 10A Trailer tow park lamps 3 10A Right low beam headlamp 4 10A Left low beam headlamp 5 30A Windshield wipers/washer 6 10A Radio (RUN/ACCY) 7 5A Headlamp switch illumination 8 10A Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator) 9 5A Cluster air bag indicator 10 10A Cluster (RUN/START), 4×4 module (RUN/START) 11 10A Siuarl Junction Box (SJB) (Logic power) 12 — Not used 13 15A Horn, Interior lamps 14 15A High beam headlamp, High beam indicator (cluster) 15 — One-touch down relay 16 30A cartridge fuse Power windows 17 15A Turn signals/Hazards 18 — Not used 19 20A Center High-Mounted Stop Lamp (CHMSL)/Stop lamps 20 10A Anti-lock Brake System (ABS) module, Brake-shift interlock, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn/hazard) 21 5A Starter relay coil 22 5A Radio (START), 4×4 Neutral sense (manual only) 23 30A Headlamps (low and high beam) 24 20A Radio battery feed (B+) 25 — Accessory relay 26 2A Brake pressure switch 27 10A Climate control blower relay/blend doors, 4×4 module 28 15A 4×4 module battery feed (B+) 29 20A Cigar lighter, Diagnostic connector (OBD II) 30 5A Power mirrors 31 20A Front park lamps, Rear park lamps, License plate lamps, Dimmer switch, Trailer tow park lamps 32 5A Brake switch (logic) 33 5A Instrument cluster battery feed (B+) 34 20A Power point 35 15A Power locks
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.