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

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

Passenger compartment fuse box

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)
	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)
	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
	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
	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)

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

Engine Compartment Fuse Box (’91-’95)

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
	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
	’92-’95: ABS Pump
D	’91: Auto Shutdown
	’92-’95: Air Conditioner Compressor Clutch
E	’91: Starter
	’92-’95: Automatic Shut Down
F	’91: Fog Lamp
	’92-’95: Starter
G	’92-’95: ABS

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
	’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