2004-2008 Mazda 3 Fuse Box Diagram & Location Guide

The Mazda 3 has a fuse box that controls various electrical components. The 2004-2008 Mazda 3 models have the fuse box in the engine bay, near the battery. To ensure the proper functioning of the electrical system, it is important to have a clear understanding of the fuse box diagram and the location of each fuse. In this guide, we will provide a detailed diagram of the 2004-2008 Mazda 3 fuse box, including the fuse location and purpose for each fuse. This information is essential for troubleshooting electrical issues, replacing a blown fuse, and performing regular maintenance on your Mazda 3.

The fuses are located in two places.

• The first set of fuses is located in the engine bay.
• The second fuse is above the passenger footwell, right underneath the dash.

Engine bay

The layout of fuses that you will find under the hood of the Mazda 3 Fuse Layout Fuses and ampere rating

Earlier Models	Latter Models
1 Cooling Fan	1 FAN
2 EHPAS	2 P/ST
3 Various circuits	3 BTN
4 Headlights	4 HEAD
5 *	5 <PTC>
6 *	6 [P.SEAT] <GLOW>
7 ABS	7 [ABS 1]
8 ABS	8 [ABS 2]
9 For the protection of various circuits	9 ENGINE
10 *	10 *
11 Ignition Switch	11 IG KEY 1
12 Starter Clutch	12 STARTER
13 Ignition Switch	13 IG KEY 2
14 *	14 <GLOW 1>
15 Blower motor (heater)	15 HEATER
16 *	16 <GLOW 2>
17 Rear Defroster	17 DEFOG
18 *	18 [AUDIO]
19 ABS	19 [ABS IG]
20 Fog Lights	20 [FOG]
21 Horn	21 HORN
22 *	22 [DRL]
23 H/Clean	23 <H/CLEAN>
24 Fuel Pump	24 F/PUMP
25 Power Steering	25 P/ST IG
26 Air Conditioner	26 A/C MAG
27 ALT	27 [TCM] <ALT>
28 *	28 <GLOW SIG>
29 *	29 P.OUTLET
30 PCM	30 ENG +B
31 Interior Lights	31 ROOM
32 O2 Heater	32 [ENG BAR 4]
33 O2 Heater	33 ENG BAR 3
34 Injector	34 EGI INJ
35 Air Flow Sensor	35 ENG BAR 1
36 EGR Control Valve

Interior Fuses

It is located inside the car, the passenger side. Under the dash. Above the passenger footwell. Remove the fuse box cover by shifting the two tabs. Twist the tab shown above and pull down on the fuse panel. Pull down the fuse panel.

Earlier Models	Latter Models
37 Power door locks	37 [D/LOCK 2]
38 *	38 STOP LAMP/HORN
39 Headlight high beams (LH)	39 HEAD HIGH L
40 Headlight high beams (RH)	40 HEAD HIGH R
41 *	41 *
42 *	42 *
43 Lighter	43 CIGAR
44 Audio System	44 RADIO
45 Power Mirror	45 [MIRROR]
46 Tailight (RH), Parking Lights (RH), License Plate Lights	46 TAIL R
47 For the protection of various circuits (OBD)	47 OBD
48 *	48 *
49 TR/Lock	49 [TR/LOCK]
50 Control Unit	50 *
51 Turn Signals, Hazards	51 *
52 Moonroof	52 [SUN ROOF]
53 Front Washer, Rear window wiper, and washer	53 WASHER
54 *	54 *
55 Right Power window	55 <P/WIND R>
56 Left Power window	56 <P/WIND L>
57 Alarm	57 <ALARM>
58 Mirror Defroster	58 [M/DEF]
59 *	59 *
60 Headlight Low beams (RH)	60 HEAD LOW R
61 Headlight Low beams (LH)	61 HEAD LOW L
62 *	62 *
63 *	63 *
64 *	64 *
65 Supplemental Restraint System	65 SAS
66 Instrument Cluster, Immobilizer system, Shift Lock system	66 METER
67 ABS, EHPAS (Ignition)	67 IGNITION
68 Windshield Wiper	68 WIPER
69 Engine For the protection of various circuits	69 ENGINE
70 Auto Wiper	70 [IG SIG]
71 Supplemental Restraint System	71 SAS 2
72 *	72 *
73 *	73 *
74 Seat Warmer	74 [SEAT WARM]
75 Power door locks	75 [D/LOCK 1]
76 AC	76 A/C
77 Power Window (LH)	77 [P/WIND L]
78 Power Windows (RH)	78 [P/WIND R]
79 Reverse Lights	79 BACK
80 MoonRoof	80 [SUN ROOF]
81 Tailights (LH) Parking Lights (LH)	81 TAIL L
82 Illumination	82 ILLUMI

Is the radio, cigarette outlet, or lights not working on your Mazda 3? A common problem could be due to a blown fuse. Learn where to find the fuses on a Mazda 3 car. Is your Mazda 3 not starting? Are you trying to troubleshoot a dashboard warning light? If yes, check out our guide on diagnosing vehicle problems like a mechanic.