2008 MAZDA MODEL B2300 TRUCK fuse box

Standard fuse amperage rating and color
COLOR
Fuse
rating Mini
fuses Standard
fuses Maxi
fuses Cartridge
maxi
fuses Fuse link
cartridge
2A Grey Grey — — —
3A Violet Violet — — —
4A Pink Pink — — —
5A Tan Tan — — —
7.5A Brown Brown — — — 10A Red Red — — —
15A Blue Blue — — —
20A Yellow Yellow Yellow Blue Blue
25A Natural Natural — — —
30A Green Green Green Pink Pink
40A — — Orange Green Green
50A — — Red Red Red
60A — — Blue Yellow Yellow
70A — — Tan — Brown
80A — — Natural Black Black
Passenger compartment fuse panel
The fuse panel is located under the
right-hand side of the instrument
panel behind the kick panel. A fuse
puller tool is located near the lower
right corner of the fuse box; this
tool will assist you in pulling the
fuses out for inspection, if
necessary.
2008 B-Series (mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
170

Fuse/RelayLocation Fuse Amp
Rating Passenger Compartment Fuse Panel
Description
10 10A Cluster (RUN/START), 4x4 module (RUN/START)
11 10A Smart Junction Box (SJB) (Logic power)
12 15A Audiophile subwoofer amplifier, Satellite radio
13 15A Horn, Interior lamps
14 15A High beam headlamp, High beam indicator (cluster)
15 — Not used
16 30A cartridge fusePower 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, Speed control module, Back-up lamps,
Overdrive cancel switch, Electronic
flasher (turn/hazard)
21 5A Starter relay coil
22 5A Radio (START)
23 30A Headlamps (low and high beam)
24 20A Radio battery feed (B+)
25 — Accessory relay (power windows)
26 2A Redundant cruise switch
27 10A Climate control blower relay/blend doors
28 15A 4x4 module battery feed (B+)
29 20A Cigar lighter, Diagnostic connector (OBD II)
30 5A Power mirrors
2008 B-Series (mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
172

Fuse/RelayLocation Fuse Amp
Rating Passenger Compartment Fuse Panel
Description
31 20A Front park lamps, Rear park lamps, License plate lamps, Dimmer switch,
Trailer tow park lamps
32 5A Brake switch (logic), Brake-shift interlock
33 5A Instrument cluster battery feed (B+)
34 20A Power point
35 15A Power locks
Power distribution box
The power distribution box is
located in the engine compartment.
The power distribution box contains
high-current fuses that protect your
vehicle’s main electrical systems
from overloads.
WARNING: Always disconnect the battery before servicing
fuses.
WARNING: To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting
the battery or refilling fluid reservoirs.
If the battery has been disconnected and reconnected, refer to the
Battery section of the Maintenance and specifications chapter.
2008 B-Series(mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
173

2.3L engine (if equipped)
The high-current fuses are coded as follows:
Fuse/RelayLocation Fuse Amp
Rating Power Distribution Box 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 30A** Starter solenoid
8 — Not used
9 40A** Ignition switch
10 — Not used
11 30A** Powertrain Control Module (PCM) relay
12 — Not used
13 30A** Blower motor (climate control)
14 — Not used
2008 B-Series(mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
174

Fuse/RelayLocation Fuse Amp
Rating Power Distribution Box Description
15 — Not used
16 — Not used
17 40A** Anti-lock Brake System (ABS) module
18 — Not used
19 20A** Engine fan
20 — Not used
21 10A* PCM keep alive power, Canister purge
valve solenoid
22 — Not used
23 30A* Fuel pump motor, Fuel injectors
24 — Not used
25 10A* A/C clutch solenoid
26 — Not used
27 — Not used
28 — Not used
29 30A* Wipers/washer
30 — Not used
31 — Not used
32 — Not used
33 30A* Anti-lock Brake System (ABS) module
34 — Not used
35 — Not used
36 — Not used
37 — Not used
38 7.5A* Trailer tow (right turn)
39 15A* PCM power
40 — Not used
41 10A* Automatic transmission
42 7.5A* Trailer tow (left turn)
43 20A* Engine fan relay coil, A/C relay, Engine
sensors, VMV solenoid
2008 B-Series (mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
175

Fuse/RelayLocation Fuse Amp
Rating Power Distribution Box Description
44 15A* Ignition coil, Capacitor
45A — Not used
45B — Not used
46A — Fuel pump relay, Fuel injectors relay
46B — Not used
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
2008 B-Series (mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
176

3.0L and 4.0L engines (if equipped)
The high-current fuses are coded as follows:
Fuse/RelayLocation Fuse Amp
Rating Power Distribution Box 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 30A** 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
2008 B-Series(mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
177

Fuse/RelayLocation Fuse Amp
Rating Power Distribution Box Description
15 — Not used
16 — Not used
17 40A** Anti-lock Brake System (ABS) module
18 — Not used
19 — Not used
20 — Not used
21 10A* PCM keep alive power, Canister purge
valve solenoid
22 — Not used
23 30A* Fuel pump motor, Fuel injectors
24 — Not used
25 10A* A/C clutch solenoid
26 — Not used
27 20A* 4x4 module
28 — Not used
29 30A* Wipers/washer
30 — Not used
31 15A* Foglamps
32 — Not used
33 30A* Anti-lock Brake System (ABS) module
34 — Not used
35 — Not used
36 — Not used
37 — Not used
38 7.5A* Trailer tow (right turn)
39 15A* PCM power
40 — Not used
41 10A* Automatic transmission
42 7.5A* Trailer tow (left turn)
43 20A* A/C relay coil, Engine sensors, VMV
solenoid, EGR solenoid, Heated PCV
2008 B-Series (mbs)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
178