Table of Contents
In this article, we take a detailed look at the fuse box diagrams for the second-generation Jeep Grand Cherokee (WJ chassis), covering model years 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005.
Fuses #9, #26, and #29 in the passenger compartment fuse panel supply power to the cigarette lighter and 12V auxiliary power outlets.
Engine Compartment
Located in the engine compartment near the battery, beneath a protective plastic cover.
Cover removal.
General layout overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| R1 | Diesel: Wiper Relay (On/Off) Gasoline: Fuel Pump Relay |
|
| R2 | Diesel: Wiper Relay (High/Low Speed) Gasoline: Starter Relay |
|
| R3 | Diesel: Fuel Heater Relay Gasoline: Transmission Control Module (TCM) Relay |
|
| R4 | Diesel: Transmission Control Module (TCM) Relay Gasoline: Wiper Relay (On/Off) |
|
| R5 | Diesel: Starter Relay Gasoline: Wiper Relay (High/Low Speed) |
|
| R6 | Gasoline: Downstream Oxygen Sensor Relay | |
| R7 | Gasoline: Upstream Oxygen Sensor Relay | |
| R8 | A/C Compressor Clutch Relay | |
| R9 | Horn Relay | |
| R10 | Automatic Shut Down (ASD) Relay | |
| R11 | Diesel: Glow Plug Relay #1 | |
| R12 | Diesel: Glow Plug Relay #2 | |
| 1 | Blower Motor Controller (AZC) / Blower Motor (MTC) | 40 A |
| 2 | Rear Window Defroster Relay (Rear Defroster, Interior Fuse #11), Cigarette Lighter Relay (Trailer Tow Circuit Breaker, Interior Fuse #26) | 40 A |
| 3 | High Beam Relay (Interior Fuses #3, #16), Low Beam Relay or Low Beam / Daytime Running Light (DRL) Relay | 50 A |
| 4 | ABS Module | 40 A |
| 5 | Gasoline: Transmission Control Relay, Transmission Solenoid Assembly (4.0L), Transmission Control Module (4.7L), Transmission Solenoid/TRS Assembly (4.7L) | 30 A |
| 6 | Gasoline: Automatic Shut Down (ASD) Relay (Ignition Coils, Capacitor, Fuses #16, #26) | 30 A |
| Diesel: Glow Plug Relay #1 (Glow Plugs #1, #3, #5) | 50 A | |
| 7 | Interior Fuse Box (Fuses #23, #24, #25, #27, Circuit Breaker C2) | 50 A |
| 8 | Starter Relay, Ignition Switch (Interior Fuse Box: Fuses #12, #21, #22, #28, #29, #30, #32, Circuit Breaker C1) | 40 A |
| 9 | Diesel: Fuel Heater Relay | 20 A |
| 10 | 4.0L: Radiator Fan Relay | 40 A |
| Diesel: Radiator Fan Relay | 40 A | |
| 11 | Diesel: Glow Plug Relay #2 (Glow Plugs #2, #4) | 50 A |
| 12 | Driver/Passenger Door Modules, Interior Fuse #18 | 50 A |
| 13 | Diesel: Automatic Shut Down (ASD) Relay (Powertrain Control Module, Engine Control Module, Fuses #16, #26) | 30 A |
| 14 | Ignition Switch (Interior Fuse Box: Fuses #19, #20, #31, #33) | 40 A |
| 15 | Interior Fuse Box (Fuses #5, #7, #8, #9) | 50 A |
| 16 | Gasoline (1998–2000): Oxygen Sensors Gasoline (2001–2004): Oxygen Sensors, Downstream Oxygen Sensor Relay |
15 A |
| Diesel: Glow Plug Relay #1, A/C Compressor Clutch Relay, Glow Plug Relay #2, EGR Solenoid | 10 A | |
| 17 | Gasoline (1998–2000): Downstream / Upstream Oxygen Sensor Relays | 20 A |
| 18 | Horn Relay | 15 A |
| 19 | Gasoline: Powertrain Control Module (PCM) | 10 A |
| 20 | Spare | - |
| 21 | A/C Compressor Clutch Relay | 15 A |
| 22 | Spare | - |
| 23 | Spare | - |
| 24 | Gasoline: Fuel Pump Fuse | 20 A |
| Diesel: Transmission Control Relay, Powertrain Control Module (PCM) | 15 A | |
| 25 | ABS Module | 20 A |
| 26 | Diesel: Fuel Injection Pump Gasoline: Fuel Injectors |
15 A |
| 27 | Spare | - |
| 28 | 4.0L: Transmission Solenoid | 15 A |
Passenger Compartment
Located on the lower instrument panel, to the left of the steering column.
Accessing the panel.
General layout overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| R1 | Low Beam Headlamp / Daytime Running Light (DRL) Relay | |
| R2 | Cigarette Lighter Relay | |
| R3 | Combination Flasher Relay | |
| R4 | Rear Window Defroster Relay | |
| R5 | Rear Fog Lamp Relay | |
| R6 | Low Beam Headlamp Relay | |
| R7 | High Beam Headlamp Relay | |
| R8 | Sunroof Relay | |
| R9 | Spare | |
| R10 | Front Fog Lamp Relay | |
| R11 | Spare | |
| R12 | Parking Lamp Relay | |
| R13 | Spare | |
| R14 | Spare | |
| C1 | Wiper (On/Off and High/Low) Relay, Front Wiper Motor | 20 A |
| C2 | Power Seats Circuit Breaker | 20 A |
| 1 | Spare | - |
| 2 | Spare | - |
| 3 | Left High-Beam Headlamp | 10 A |
| 4 | Combination Flasher | 15 A |
| 5 | Audio Amplifier, Radio | 25 A |
| 6 | Parking Lamps, Trailer Tow Connector, Tail Lamps, License Plate Lamp, Headlamp Leveling Switch | 15 A |
| 7 | Automatic Headlamp Light Sensor / VTSS LED, Body Control Module (BCM), Automatic Zone Control (AZC) Module, Underhood Lamp, Sentry Key Immobilizer Module (SKIM), Remote Keyless Entry (RKE) Module | 10 A |
| 8 | Glove Box Lamp, Rear Wiper Motor, Courtesy Lamps, Cargo Lamp, Door Handle Lamps, Overhead Map Lamps, Vehicle Information Center (VIC), Security System Module, Liftgate Flip-Up Glass Release Switch, Vanity Mirror Lamps | 15 A |
| 9 | Front and Rear 12V Auxiliary Power Outlets, Power Connector, Cigarette Lighter | 20 A |
| 10 | Adjustable Power Pedals (2002–2004) | 20 A |
| 11 | Manual Temperature Control (MTC) / Automatic Zone Control (AZC) Module | 10 A |
| 12 | Powertrain Control Module (PCM), Fuel Pump Relay, Automatic Shut Down (ASD) Relay, Transmission Control Relay (4.7L) | 10 A |
| 13 | Spare | - |
| 14 | Left Low-Beam Headlamp | 10 A |
| 15 | Right Low-Beam Headlamp | 10 A |
| 16 | Right High-Beam Headlamp | 10 A |
| 17 | Data Link Connector (OBD-II / DLC), Instrument Cluster | 10 A |
| 18 | Trailer Tow Brake Light Relay, Electric Brake Controller (1998–2001) | 20 A |
| Trailer Tow Brake Light Relay, Electric Brake Controller (2002–2004) | 30 A | |
| 19 | ABS Module | 10 A |
| 20 | Manual Temperature Control (MTC), Combination Flasher, Automatic Zone Control (AZC) Module, Blend Door Actuator (MTC), Park/Neutral Position Switch (4.0L, 3.1L TD), Transmission Solenoid/TRS Assembly (4.7L), Heated Seat Switches | 10 A |
| 21 | Diesel: Engine Control Module (ECM), Fuel Heater Relay, Brake Transmission Shift Interlock (BTSI) Solenoid Gasoline: EVAP Purge Solenoid, A/C Compressor Clutch Relay, Brake Transmission Shift Interlock (BTSI) Solenoid |
10 A |
| 22 | EVAP Purge Solenoid, Body Control Module (BCM), Instrument Cluster, Vehicle Information Center (VIC), Auto-Dimming Rearview Mirror, Security System Module | 10 A |
| 23 | Brake Light Switch | 15 A |
| 24 | Body Control Module (BCM), Front Fog Lamp Relay | 15 A |
| 25 | Sunroof Delay Relay, Body Control Module (BCM) | 20 A |
| 26 | Cigarette Lighter Fuse | 15 A |
| 27 | Rear Fog Lamp Relay | 15 A |
| 28 | Body Control Module (BCM) | 10 A |
| 29 | Right Multi-Function Switch, Cigarette Lighter Relay | 10 A |
| 30 | Radio / Head Unit | 15 A |
| 31 | Transmission Control Module (4.7L), Starter Relay | 10 A |
| 32 | Airbag Control Module (ACM) | 10 A |
| 33 | 10 A | |
| C1 | Front Wiper Motor, Wiper (On/Off and High/Low) Relay | 20 A |
| C2 | Power Seats Circuit Breaker | 20 A |