The Mazda BT-50 is a mid-size pickup truck produced by the Japanese automaker Mazda since 2006 as the successor to the B-Series. This article provides detailed fuse box diagrams and circuit assignments for the Mazda BT-50 (First generation; J97M series) covering model years 2006, 2007, 2008, 2009, 2010, 2011, and 2012.
Below are the locations, diagrams, and photos of the power distribution boxes. Fuses for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Passenger Compartment
The passenger compartment fuse box is located under the dashboard behind a plastic access cover.
General view of the Mazda BT-50 interior fuse box.
| Diagram | ||
|---|---|---|
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| No. | Circuit Protected | Rating (A) |
| 1 | Mazda BT-50 cigarette lighter, audio system, power exterior mirrors, auxiliary power outlet | 20 |
| 2 | Heated seats | 15 |
| 3 | Windshield wipers and washer | 15 |
| 4 | Air conditioning and ABS relays | 10 |
| 5 | Central locking system | 30 |
| 6 | Power windows | 30 |
| 7 | ABS solenoid valves | 20 |
| 8 | Brake lights and horn | 15 |
| 9 | Hazard warning lights | 10 |
| 10 | Instrument cluster, reverse lights, turn signals, and Remote Free-Wheel (RFW) system | 15 |
| 11 | Engine management system | 15 |
| 12 | Cruise control | 5 |
| 13 | A/C compressor magnetic clutch | 10 |
| 14 | Rear window defogger | 20 |
| 15 | Rear fog light | 10 |
| 16 | Right headlight | 15 |
| 17 | Left headlight | 15 |
| 18 | Front fog lights | 15 |
| 19 | Front and rear position lights, license plate light | 10 |
| 20 | Interior lighting and warning indicators | 15 |
| 21 | Spare | |
| 22 | Power windows | 30 |
| Relay Module Layout |
|---|
|
| 1. AIR CON RELAY – Air conditioning compressor 2. HORN RELAY – Horn 3. FRONT FOG LAMP RELAY – Front fog lights 4. REAR FOG LAMP RELAY – Rear fog light 5. REAR DEFOGGER RELAY – Rear window defogger 6. STARTER RELAY – Starter motor 7. BLOWER MOTOR RELAY – Blower motor 8. TNS RELAY – Parking lights (Tail, Number, Side) 9. HEAD LAMP RELAY – Headlights |
Engine Compartment
The main power distribution box is located in the engine bay next to the battery, under a protective cover.
Sample diagram from the fuse box cover.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit Protected | Rating (A) |
| 1 | MAIN – Main power supply (all circuits) | 80 |
| 2 | GLOW – Glow plugs | 60 |
| 3 | IG KEY 1 – Ignition switch 1 (Engine management system, instrument cluster, auxiliary power outlets, power windows) | 40 |
| 4 | BTN / HEAD – Interior illumination, headlights | 60 |
| 5 | INJ/ALT – Fuel injectors, alternator | 20 |
| 6 | ABS – ABS pump motor, hazard warning lights, brake lights | 40 |
| 7 | PTC – Fuel heater, auxiliary heater | 30 |
| 8 | IG KEY 2 – Ignition switch 2 (A/C system, windshield wipers and washer) | 60 |
| 9 | BTN 1 – A/C system, rear window defogger, central locking, ABS solenoid valve 1, power windows, tail lights, fog lights | 60 |