Mazda Miata (1989 – 1997) – fuse and relay box diagram

Year of production: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997

 

This article covers the first-generation Mazda MX-5 Miata (NA), produced between 1989 and 1997. It includes fuse box diagrams for the 1989–1997 models, provides details on the locations of the fuse panels inside the vehicle, and explains the function and layout of each fuse and relay.

Engine compartment

Fuse Box Location

 

Fuse Box Diagram

 

Assignment of the fuses in the engine compartment

Position	Name	Fuse rating [A]	Description
1	HEAD	30	Headlights
2	INJ	30	Fuel injection, Alternator
3	MAIN	80	For protection of all circuits
4	BTN	40	Refer to HAZARD (15A), STOP (15A), ROOM (10A), TAIL (15A)
5	ABS	60	Antilock brake system
6	COIOLING FAN	30	Cooling fan
7	AIR BAG	10	Air bag
8	AD FAN	20	Additional fan (Air conditioner)
9	ST SIG	10	Fuel injection
10	RETRACTOR	30	Headlight retractor

Passenger compartment

Fuse Box Location

 

Fuse Box Diagram

 

Assignment of the fuses in the passenger compartment

Position	Name	Fuse rating [A]	Protected component
A	ENGINE	15	Cooling fan
B	METER	10	Gauges, Warning lights, Turn-signal lights, Cruise control
C	AIR BAG	15	Air bag
D	HEATER	30	Heater
E	—	—	—
F	POWER WIND	30	Power windows
G	WIPER	20	Wipers, Washer
H	—	—	—
I	TAIL	15	Tail lights
J	—	—	—
K	STOP	15	Shift lock, Cruise control, Horn, Stoplights
L	HAZARD	15	Hazard warning lights
M	—	—	—
N	ROOM	10	Interior lamps, Warning buzzers, Radio/cassette and compact disc player and clock
O	CIGAR	15	Radio/cassette and compact disc player and clock, Cigarette lighter
P	—	—	—
Q	—	—	—

Luggage compartment

Fuse Box Location

 

Fuse Box Diagram

 

Assignment of the fuses in the trunk

Number	Name	Ampere ratting [A]	Description
1	DEFOG	10	Rear defroster
2	ANTENNA	10	Auto antenna

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.