Jeep Grand Cherokee (WJ; 1999-2005) fuses and relay

 

Fuse Layout Jeep Grand Cherokee 1999-2005

 

Passenger Compartment Fuse Box

Fuse box location

It is located under the instrument panel on the driver’s side, behind a plastic cover near the OBD2 port.

Fuse box diagram

Assignment of the fuses and relay in the instrument panel

№	Amp rating	Description
1	-	Spare
2	-	Spare
3	10	Left Headlamp (High Beam)
4	15	Combination Flasher
5	25	Radio, Amplifier
6	15	Park Lamp Relay (Park Lamp, Tail Lamp, License Lamp, Trailer Tow Connector, Headlamp Leveling Switch)
7	10	Body Control Module, Underhood Lamp, Sentry Key Immobilizer Module, Automatic Zone Control Module, Automatic Headlamp Light Sensor/VTSS LED, Remote Keyless Module
8	15	Rear Wiper Motor, Courtesy Lamp, Glove Box Lamp, Cargo Lamp, Overhead Map Lamp, Door Handle Lamp, Vehicle Information Center, Liftgate Flip-Up Push Button Switch, Security System Module, Visor/Vanity Lamp
9	20	Front Power Outlet, Rear Power Outlet, Power Connector
10	20	Adjustable Pedals
11	10	Automatic Zone Control Module (AZC), Manual Temperature Control (MTC)
12	10	Fuel Pump Relay, Automatic Shut Down Relay, Powertrain Control Module, Transmission Control Relay (4.7L)
13	-	Spare
14	10	Left Headlamp (Low Beam)
15	10	Right Headlamp (Low Beam)
16	10	Right Headlamp (High Beam)
17	10	Data Link Connector, Instrument Cluster
18	20 or 30	Trailer Tow Brake Lamp Relay, Electric Brake
19	10	ABS
20	10	Combination Flasher, Automatic Zone Control Module (AZC), Manual Temperature Control (MTC), Temperature Valve Actuator (MTC), Transmission Solenoid/TRS Assembly (4.7L), Park/Neutral Position Switch (4.0L, 3.1L TD), Driver/Passenger Heated Seat Switch
21	10	Gasoline:  Air Conditioner Compressor Clutch Relay, EVAP/Purge Solenoid, Brake Transmission Shift Interlock Solenoid; Diesel: Fuel Heater Relay, Engine Control Module, Brake Transmission Shift Interlock Solenoid
22	10	Body Control Module, Instrumeent Cluster, Sentry Key Immobilizer Module, Vehicle Information Center, Automatic Day/Night Mirror, Security System Module
23	15	Stop Lamp Switch
24	15	Front Fog Lamp Relay, Body Control Module
25	20	Sunroof Delay Relay, Body Control Module
26	15	Cigar Lighter
27	15	Rear Fog Lamp Relay
28	10	Body Control Module
29	10	Cigar Lighter Relay, Right Multi-Function Switch
30	15	Radio
31	10	Starter Relay, Transmission Control Module (4.7L)
32	10	Airbag Control Module
33	10	Airbag Control Module
C1	20	Front Wiper Motor, Wiper (On/Off) Relay, Wiper (High/Low) Relay (Circuit Breaker)
C2	20	Power Seats (Circuit Breaker)
C3	-	Spare
Relay
R1		Low Beam / Daytime Running Lamp
R2		Cigar Lighter
R3		Combination Flasher
R4		Rear Window Defogger
R5		Rear Fog Lamp
R6		Low Beam
R7		High Beam
R8		Sunroof Delay
R9		-
R10		Front Fog Lamp
R11		-
R12		Park Lamp
R13		-
R14		-

Engine Compartment Fuse Box

Fuse box location

The Power Distribution Center is located near the battery (left or right depending on the version).

Fuse box diagram

Assignment of the fuses and relay in Power Distribution Center

№	Amp Rating	Description
1	40	Blower Motor (MTC), Blower Motor Controller (AZC)
2	40	Rear Window Defogger Relay (Rear Window Defogger, Fuse (Passenger Compartment): "11"), Cigar Lighter Relay (Trailer Tow Circuit Breaker, Fuse (Passenger Compartment): "26")
3	50	High Beam Relay (Fuse (Passenger Compartment): "3", "16"), Low Beam Relay (Fuse (Passenger Compartment): "14", "15") or Low Beam / Daytime Running Lamp Relay (Fuse (Passenger Compartment): "14", "15"), Fuse (Passenger Compartment): "4", "5", "6", "11", "17"
4	40	ABS
5	30	Gasoline:  Transmission Control Relay, Transmission Control Module (4.7L), Transmission Solenoid (4.0L), Transmission Solenoid/TRS Assembly (4.7L)
6	30 or 50	Gasoline (30A):  Automatic Shut Down Relay (Ignition Coils, Capacitor, Fuse (Engine Compartment): "16", "26"); Diesel (50A): Glow Glug Relay No.1 (Glow Plug: No.1, 3, 5)
7	50	Fuse (Passenger Compartment): "23", "24", "25", "27", "C2"
8	40	Starter Relay, Ignition Switch (Fuse (Passenger Compartment): "12", "21", "22", "28", "29", "30", "32", "C1")
9	20	Diesel:  Fuel Heater Relay
10	40	Radiator Fan Relay
11	50	Diesel:  Glow Glug Relay No.2 (Glow Plug: No.2, 4)
12	50	Driver/Passenger Door Module, Fuse (Passenger Compartment): "18"
13	30	Diesel:  Automatic Shut Down Relay (Engine Control Module, Powertrain Control Module, Fuse (Engine Compartment): "16", "26")
14	40	Ignition Switch (Fuse (Passenger Compartment): "19", "20", "31", "33")
15	50	Fuse (Passenger Compartment): "5", "7", "8", "9"
16	10 or 15	Gasoline (2001) (15A):  Oxygen Sensors, Oxygen Sensor Downstream Relay; Gasoline (1999-2000) (10A): Oxygen Sensors; Diesel (10A): Air Conditioner Compressor Clutch Relay, Glow Plug Relay No.1, Glow Plug Relay No.2, EGR Solenoid
17	20	Gasoline (1999-2000):  Oxygen Sensor Downstream Relay, Oxygen Sensor Upstream Relay
18	15	Horn Relay
19	10	Gasoline:  Powertrain Control Module
20	-	Not Used
21	15	Air Conditioner Compressor Clutch Relay
22	-	Not Used
23	-	Not Used
24	15 or 20	Gasoline:  Fuel Pump Relay; Diesel: Powertrain Control Module, Transmission Control Relay
25	20	ABS
26	15	Gasoline:  Fuel Injectors; Diesel: Fuel Injection Pump
27	-	Not Used
28	15	4.0L:  Transmission Solenoid
Relay
R1		Gasoline:  Fuel Pump; Diesel: Wiper (On/Off)
R2		Gasoline:  Starter; Diesel: Wiper (High/Low)
R3		Gasoline:  Transmission Control; Diesel: Fuel Heater
R4		Gasoline:  Wiper (On/Off); Diesel: Transmission Control
R5		Gasoline:  Wiper (High/Low); Diesel: Starter
R6		Gasoline:  Oxygen Sensor Downstream
R7		Gasoline:  Oxygen Sensor Upstream
R8		Air Conditioner Compressor Clutch
R9		Horn
R10		Automatic Shut Down
R11		Diesel:  Glow Plug (No.1)
R12		Diesel:  Glow Plug (No.2)