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

Posted on 29 April 2025 by admin

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

Mazda Miata (1989 - 1997) - fuse and relay diagram - engine compartment — Mazda Miata (1989 – 1997) – fuse and relay diagram – engine compartment

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

Mazda Miata (1989 - 1997) - fuse and relay diagram - passenger compartment — Mazda Miata (1989 – 1997) – fuse and relay diagram – passenger compartment

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

Mazda Miata (1989 - 1997) - fuse and relay diagram - luggage compartment — Mazda Miata (1989 – 1997) – fuse and relay diagram – luggage compartment

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.

Alfa Romeo 164 (1988 – 1997) – fuse box diagram

Posted on 6 September 2024 by admin

Alfa Romeo 164 (1988 – 1997) – fuse box diagram

Year of production: 1988, 1989, 1990, 1991, 1992, 1992, 1993, 1994, 1995, 1996, 1997

Alfa Romeo 164 is a business class car manufactured by Alfa Romeo. Produced from 1987 to 1998 in the sedan body. This material is suitable for cars produced in 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 for finding and replacing fuses and relays on Alfa Romeo 164 cars. We will also show the fuse box diagrams and their locations, as well as the purpose of their elements.

Passenger compartment

Fuse box location

Fuse and relay box is locate under the dashboard

Fuse box diagram

Relays	A	Description
A		Headlamp high beam relay
B		Headlamp low beam relay
C		Turn Signal / Hazard Relay
D		Front / Rear Lamp Relays
E		Interior lamp relay
F		Front power window relay
G		Rear power window relay
H		Seat heater / sunroof relay
1	10	LH side lamp, LH tail lamp, license plate lamp, cigarette lighter lamp
2	10	LH lamp, RH lamp, Tailgate lamp, instrument cluster illumination, vanity mirror lamp
3	20	Heated door mirrors, heated rear window, heated windscreen, cigarette lighter – front
4	30	Power window regulator – front left
5	30	Power window regulator – front right
6	10	Interior lamp
7	10	Low beam headlamp – LH
8	10	Low beam headlamp – right
9	20	Sunroof, seat heater
10	10	Cluster illumination rheostat, A / C relay, A / C compressor clutch relay
11	30	Power window regulator – rear right
12	30	Power window regulator – rear left
13	10	High beam headlamp – LH
14	10	High beam headlamp – right
15	10	Direction indicators, front / rear lamps
16	20	Reversing lights, windshield wiper
17	15	Fog lights-front
18	10	Stop lights
19	20	Headlamp washer, hazard warning lights
20	30	Power seat
21	10	Cooling fan motor relay, glow plug relay, fuel heater relay, cruise control
22	10	Rear fog lamps
23	15	Central locking
24	10	Cigar lighter , rear
25	75	“+” battery
26	10	Power supply circuit
27	30	Fuel filler flap / cover
28	3	A / C compressor magnetic clutch
29	75	Anti-theft system
The fuse number 24, 10A, is responsible for the cigarette lighter.

Engine compartment

Fuse and relay boxes

There are several small boxes with relays and fuses under the hood.

Alfa Romeo 164 (1988 - 1997) - fuse box diagram - engine compartment — Alfa Romeo 164 (1988 – 1997) – fuse box diagram – engine compartment

No.	A	Description
1		Common relay
2		Relay of fuel pump
3		Relay of device of the variable valve timing system
4		Relay 2 of the electronic engine color unit

1	15	Fuel pump
2	3	Electronic engine control unit
3	75	Oxygen sensor

Luggage compartment fuse box

Alfa Romeo 164 (1988 - 1997) - fuse box diagram - luggage compartment — Alfa Romeo 164 (1988 – 1997) – fuse box diagram – luggage compartment

	Description
	Suspension control relay
	Heated rear window relay
	Rear seat motor relay
10A	Anti-thef system
3A	Anti-thef alarm horn
10A	Phone
40A	Heated rear window

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

Jeep Wrangler YJ (1987 – 1995) – fuse and relay box diagram

Posted on 11 July 20189 April 2025 by admin

Jeep Wrangler YJ (1987 – 1995) – fuse and relay box diagram

Year of production: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1995

This article focuses on the first-generation Jeep Wrangler (YJ), manufactured between 1987 and 1995. It includes fuse box diagrams for the 1987–1995 models, details the locations of the fuse panels within the vehicle, and provides information on the function and layout of each fuse and relay.

Passenger compartment fuse box

Fuse Box Location

It is located under the dashboard.

Fuse Box Diagram

Assignment of the fuses under the instrument panel

No.	A	Description
1	20	’90-’95: Rear Window Wiper, Rear Window Washer (’91)
2	20	’91: Horn
3	15	Stoplights, Underhood Light (’87-’91), Hazard Warning (’87-’91), Buzzer (’92-’95)
4	15	Turn Signals, Back-Up Lights (’87-’91)
5	20	’87-’91: Courtesy Light, Cargo Light, Glove Box Light, Radio (’91)
5	10	’92-’95: Automatic Shutdown Relay, Fuel Pump Relay (’93-’95) Engine Control Module (’93-’95)
6	25	Rear Window Defogger
7	30	’87-’92: Cigarette Lighter, Cruise Control, Radio, Rear Window Washer (’90)
7	20	’93-’95: Cigarette Lighter Radio, Radio Illumination
8	20	’87-’91: Headlamp Switch (Parking Lights), Turn Signal Switch
	20	’92: Running Lights, Exterior Lights
	20	’93-’95: Parking Lights, Key-In Warning Switch, Panel Lights Radio Relay, Headlight Switch, Side Marker Lights
9	15	’87-’91: Gauge Package, Seat Belt Indicators, Defogger Switch, Tachometer, Indicator Lights
9	15	’92-’95: Buzzer, Gauges, Warning Lights, Relays, Back-up Lamps, Key-In Switch
10	5	Instrument Panel Illumination, Parking Lights (’97-’88)
11	6.7	Circuit Breaker (’89): Windshield Wipers
11	5.3	Circuit Breaker (’90-’91): Windshield Wipers, Washers
12	25	Blower Motor
13	6.7	Circuit Breaker (’87-’88): Windshield Wipers
Relay
R1	Hazard Flasher
R2	Turn Signal Flasher

Fusible Links (’87-’90)

Assignment of the fuses (fusible links)

No.	AWG	Color	Description	Location
1	18	GRN	Headlight Switch, Lights	4.2L: Next to starter solenoid 2.5L: Next to starter solenoid, near starter
2	18	GRN	Ignition Switch	4.2L: Next to starter solenoid 2.5L: Next to starter solenoid, near starter
3	18	GRN	Manifold Heater Relay, Rear Window Defogger	4.2L: Next to starter solenoid 2.5L: Next to starter solenoid, near starter
4	14	BRN	4.2L: Alternator	Next to starter solenoid
	18	GRN	2.5L: Alternator	Next to starter solenoid, near starter
	14	BRN	2.5L: Alternator	Next to starter solenoid, near starter
5	18	GRN	2.5L: B+ Relay, Diagnostic Connectors, ECU, Fuel Pump Relay	Next to starter solenoid, near starter

’91-’95: Cruise Control Fuse – Taped to harness, near cruise control module

Fuse Box Diagram (1992-1995)

Jeep Wrangler YJ (1987 - 1995) - fuse box diagram - engine compartment box — Jeep Wrangler YJ (1987 – 1995) – fuse box diagram – engine compartment box

Assignment of the fuses in the engine compartment (1992-1995)

No.	A	Description
1	30	Fuel Pump, Automatic Shut Down
2	50	Alternator
3	50	Battery ACC
4	40	Ignition and Starter
5	20	’91: Fog Lamps
5	20	’92-’95: Hazard Flasher
6	50	Alternator
7	30	Headlamp
8	20	Ignition Off Draw, Horn (’92-’95)
9	40	’92-’95: ABS Pump Relay
10	30	’92-’95: ABS Power Relay
11	–	–
12	–	–
13	2	’92-’95: ABS Control Module
14	–	–
15	10	’92-’95: Horn, Horn Relay
16	10	’92-’95: Radio Memory, Clock Memory, Ignition Off Draw
Relay
A	’92-’95: Horn
B	Fuel Pump
C	’91: Air Conditioner Compressor Clutch
C	’92-’95: ABS Pump
D	’91: Auto Shutdown
D	’92-’95: Air Conditioner Compressor Clutch
E	’91: Starter
E	’92-’95: Automatic Shut Down
F	’91: Fog Lamp
F	’92-’95: Starter
G	’92-’95: ABS

Relay

Assignment of the fuses in the engine compartment (relay)

No.	Description	Location
1	’87-’90: B+ Latch	At right side of battery
2	Rear Window Defogger	At lower left kick panel, behind parking brake pedal
3	’87-’90: Fog Light	Behind left headlight
4	’87-’90: Fuel Pump	At right side of battery
5	Horn	Above and to left of fuse block
6	’87-’90: Idle Speed	At right of battery
7	4.2L (’87-’90): Manifold Heater	At right of battery
8	2.5L (’87-’88): Starter	Near battery
8	’89-’90: Starter	On battery tray bracket, to left of battery

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

Mazda MX-5 (1989 – 1997) – fuse and relay box diagram

Posted on 5 June 201829 April 2025 by admin

Mazda MX-5 (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

Mazda MX-5 (1989 - 1997) - fuse and relay diagram - engine compartment — Mazda MX-5 (1989 – 1997) – fuse and relay diagram – engine compartment

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

Mazda MX-5 (1989 - 1997) - fuse and relay diagram - passenger compartment — Mazda MX-5 (1989 – 1997) – fuse and relay diagram – passenger compartment

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

Mazda MX-5 (1989 - 1997) - fuse and relay diagram - luggage compartment — Mazda MX-5 (1989 – 1997) – fuse and relay diagram – luggage compartment

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.