Mazda B-Series (2004) – fuse and relay box

Diagrams of fuse boxes and relays – Mazda B-Series

Applies to vehicles manufactured in the years:

2004.

Fuse panel in the passenger compartment

The fuse panel is located under the right side of the dashboard behind the foot panel.

READ:  Mazda 3 BK (2008) - fuse and relay box
Mazda B-Series (2004) - fuse and relay box
Number Amperes [A] Description
1 5 Dimmer switch on the instrument panel
2 10 Trailer tow lamps
3 10 Right dipped beam headlamp
4 10 Left-hand dipped beam headlamp
5 thirty Windscreen wipers / washers
6 10 Radio (RUN / ACCY)
7 5 Headlamp illumination indicator
8 10 Restraints Control Module (RCM), PADI (Passenger Airbag Deactivation Indicator)
9 5 Cluster airbag indicator
10 10 Cluster (RUN / START), 4 × 4 module (RUN / START)
11 10 Fuse panel in passenger compartment (logic power)
12 Not used
13 15 Horn, interior lamps
14 15 High beam headlamp, high beam indicator (cluster)
15 One-button relay
16 30 fuse cartridges Electric windows
17 15 Direction indicators / hazard lights
18 Not used
19 twenty Middle Top Stop Lamp (CHMSL) / Stop Lamps
20 10 Anti-lock Braking System (ABS) Module, Brake Shift Lockout, Cruise Control Module, Reversing Lamps, Overdrive Cancel Switch, Electronic Blinker (Turn / Hazard)
21 5 Starter relay
22 5 Reserve
23 thirty Headlamps (low and high beam)
24 twenty Radio
25 Accessory relay
26 2 Brake pressure switch
27 10 A / C blower relay / Mixed door, 4×4 module
28 15 4 × 4 module B +
29 twenty Cigarette lighter, diagnostic connector (OBD II)
30 5 Electric mirrors
31 twenty Front parking lights, rear parking lights, license plate lamps
32 5 Brake switch (logic)
33 5 Instrument cluster
34 twenty Power point
35 15 Power locks

Power distribution box

The power distribution box is located in the engine compartment.

2.3L engine (if equipped)

Mazda B-Series (2004) - fuse and relay box
Number Amperes [A] Description
1 50 ** Fuse panel in the passenger compartment
2 Not used
3 50 ** Fuse panel in the passenger compartment
4 Not used
5 50 ** Fuse panel in the passenger compartment
6 Not used
7 40 ** Starter relay fuse
8 Not used
9 40 ** Ignition switch
10 Not used
11 50 ** Powertrain control module (PCM), engine sensors
12 Not used
13 thirty** Blower motor (air conditioning)
14 Not used
15 thirty** Anti-lock brake system (ABS) (electromagnets)
16 Not used
17 40 ** ABS (engine)
18 Not used
19 twenty** Engine fan
20 Not used
21 10 * PCM
22 Not used
23 twenty* Fuel pump
24 Not used
25 10 * A / C clutch relay
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 7.5 * Towing a trailer (right turn)
39 Not used
40 Not used
41 15 * HEGO
42 7.5 Trailer Towing (Left Turn)
43 Not used
44 Not used
45A HI / LO wiper relay
45B Park / wiper 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
56 Blower relay
56A A / C clutch solenoid relay
56B Not used
Mini fuses ** Maxi fuses

3.0L and 4.0L engines (if equipped)

Mazda B-Series (2004) - fuse and relay box
Number Amperes [A] Description
1 50 ** Fuse panel in the passenger compartment
2 Not used
3 50 ** Fuse panel in the passenger compartment
4 Not used
5 50 ** Fuse panel in the passenger compartment
6 Not used
7 40 * Starter relay fuse
8 Not used
9 40 ** Ignition switch
10 Not used
11 thirty** Powertrain control module (PCM) relay fuse
12 Not used
13 thirty** Blower motor (air conditioning)
14 Not used
15 thirty** Anti-lock brake system (ABS) (electromagnets)
16 Not used
17 40 ** ABS (engine)
18 Not used
19 Not used
20 Not used
21 10 * PCM
22 Not used
23 twenty* Fuel pump
24 Not used
25 10 *  A / C clutch solenoid
26 Not used
27 twenty* 4 × 4 module
28 Not used
29 Not used
30 Not used
31 15 * Fog lights
32 Not used
33 Not used
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5 * Towing a trailer (right turn)
39 Not used
40 Not used
41 15 * HEGO
42 7.5 * Trailer Towing (Left Turn)
43 Not used
44 Not used
45A HI / LO wiper relay
45B Park / wiper 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

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