Table of Contents
This article provides a detailed breakdown of the fuse box diagrams for the Jeep Grand Cherokee (third-generation; WK chassis) across the 2004–2010 model years.
Fuses #4, #9, and #14 in the passenger compartment junction block protect the cigarette lighter and auxiliary power outlet circuits.
Engine Compartment Fuse Boxes
Component Locations:
- Fuse Box #1 (Power Distribution Center / PDC)
- Fuse Box #2 (Integrated Power Module / IPM)
Fuse Box #1
Location layout.
2008–2010 Model Years
Access view.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| R1 | Spare / Unused | |
| R2 | Diesel: PTC Heater (#3) | |
| R3 | Transmission Control Relay | |
| R4 | Headlamp Washer Relay | |
| R5 | HID Headlamp Relay | |
| R6 | Diesel: PTC Heater (#1) | |
| R7 | Diesel: PTC Heater (#2) | |
| R8 | Ignition Relay (Run/Start) | |
| R9 | A/C Compressor Clutch Relay | |
| R10 | Fuel Pump Relay | |
| R11 | Starter Relay | |
| R12 | Blower Motor Relay | |
| R13 | Auto Shut Down (ASD) Relay | |
| 1 | Diesel: PTC Heater (#1) | 50 A |
| 2 | HID Headlamps | 40 A |
| 3 | Diesel: PTC Heater (#2) | 50 A |
| 4 | Auxiliary Power Outlets | 30 A |
| 5 | Diesel: PTC Heater (#3) | 50 A |
| 6 | Trailer Tow Battery Feed / Cigarette Lighter Fuse | 30 A |
| 7 | Spare / Unused | 40 A |
| 8 | Junction Block Feed, Starter Motor | 40 A |
| 9 | Front Power Windows | 20 A |
| 10 | Spare / Unused | - |
| 11 | Blower Motor Relay | 40 A |
| 12 | Ignition (Run/Off), Rear Wiper | 30 A |
| 13 | Heated Mirrors, Rear Window Defrost | 40 A |
| 14 | Rear Blower Motor | 30 A |
| 15 | Spare / Unused | - |
| 16 | Auto Shut Down (ASD) Module | 50 A |
| 17 | ABS Pump Module | 30 A |
| 18 | Power Seats, Accessory Delay | 40 A |
| 19 | Junction Block Feed | 40 A |
| 20 | Front Windshield Wiper Motor | 30 A |
| 21 | Fuel Pump Fuse | 20 A |
| 22 | A/C Compressor Clutch, Transmission Control Module (TCM) | 20 A |
| 23 | Power Inverter | 25 A |
| 24 | Rear Heated Seats | 20 A |
| 25 | Final Drive Control Module (FDCM) | 20 A |
| 26 | Stop Lamps | 15 A |
| 27 | Headlamp Washers | 20 A |
| 28 | ABS Valves | 30 A |
| 29 | Gasoline Engine: Powertrain Control Module (PCM) | 20 A |
| 30 | Spare / Unused | - |
| 31 | Spare / Unused | - |
| 32 | Diesel Engine: Powertrain Control Module (PCM) | 15 A |
| 33 | Electronic Limited-Slip Differential (ELSD) / Final Drive Control Module (FDCM) | 20 A |
| 34 | Spare / Unused | - |
| 35 | Trailer Tow Module (BUX - Export Only) | 20 A |
| 36 | Spare / Unused | - |
| 37 | Ignition Switch | 20 A |
| 38 | Left Headlamp (HID) | 20 A |
| 39 | Right Headlamp (HID) | 20 A |
| 40 | Fuel Injectors, Next Generation Controller (NGC) | 25 A |
| 41 | SRT: Subwoofer Amplifier | 20 A |
| 42 | Spare / Unused | - |
| 43 | Engine Actuators / Ignition Coils | 25 A |
| 44 | Spare / Unused | - |
2004–2007 Model Years
Overview layout.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| R1 | Spare / Unused | |
| R2 | Spare / Unused | |
| R3 | Diesel: PTC Heater (#1) | |
| R4 | Transmission Control Relay | |
| R5 | Starter Relay | |
| R6 | A/C Compressor Clutch Relay | |
| R7 | Fuel Pump Relay | |
| R8 | Diesel: PTC Heater (#3) | |
| R9 | Diesel: PTC Heater (#2) | |
| R10 | Blower Motor Relay | |
| R11 | Auto Shut Down (ASD) Relay | |
| 1 | Blower Motor Relay | 40 A |
| 2 | Interior Fuse Box (Junction Block): Fuses #4, #9 | 30 A |
| 3 | Run Relay, Interior Fuse Box (Junction Block): Fuses #12, #17, #22 | 30 A |
| 4 | ABS Module | 30 A |
| 5 | Diesel: Cabin Heater Element | 50 A |
| 6 | Auto Shut Down (ASD) Relay (PCM, Fuse #16) | 50 A |
| 7 | Spare / Unused | 30 A |
| 8 | Run/Accessory Delay, Interior Fuse Box (Junction Block): CB2, Fuses #2, #7, #8 | 40 A |
| 9 | Spare / Unused | - |
| 10 | Run/Accessory Relay, Starter Relay, Interior Fuse Box (Junction Block): CB1 | 40 A |
| 11 | Auxiliary Power Outlet Relay | 30 A |
| 12 | Rear Window Defogger Relay | 40 A |
| 13 | Run Relay, Run/Accessory Relay, Rear Wiper Relay, Driver Door Unlock Relay, Door Lock Relay, Passenger Door Unlock Relay, Interior Fuse Box (Junction Block): Fuses #1, #6, #16 | 40 A |
| 14 | Spare / Unused | - |
| 15 | Spare / Unused | - |
| 16 | Front Control Module (FCM), Zener Diode, Ignition Coils (3.7L, 4.7L, 5.7L), Ignition Capacitor (3.7L, 4.7L) | 25 A |
| 17 | Spare / Unused | - |
| 18 | Gasoline Engine: A/C Compressor Clutch Relay, Transmission Control Relay (4.7L, 5.7L) | 20 A |
| 19 | Ignition Switch (Powertrain Control Module, Starter Relay, Interior Fuse Box: Fuses #19, #20, #24, #25) | 20 A |
| 20 | Gasoline Engine: Powertrain Control Module (PCM) | 20 A |
| 21 | ABS Module | 30 A |
| 22 | Spare / Unused | - |
| 23 | Final Drive Control Module (FDCM) | 20 A |
| 24 | Gasoline Engine: Fuel Pump Relay, Hydraulic Cooling Fan (5.7L) | 20 A |
| Diesel Engine: Hydraulic Cooling Fan, Fuel Pump Relay | 20 A | |
| 25 | Final Drive Control Module (FDCM) | 20 A |
| 26 | Diesel Engine: Powertrain Control Module (PCM) | 15 A |
| 27 | Brake Light Switch | 15 A |
| 28 | Fuel Injectors, Powertrain Control Module (PCM) | 25 A |
Fuse Box #2
Overview layout.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| R1 | Windshield Wiper Relay (On/Off) | |
| R2 | Windshield Wiper Relay (High/Low) | |
| R3 | Horn Relay | |
| R4 | Rear Fog Lamp Relay | |
| R5 | Trailer Tow Relay (Left Turn Signal) | |
| R6 | Trailer Tow Relay (Right Turn Signal) | |
| R7 | Parking Lamp Relay | |
| R11 | Radiator Fan Relay (High Speed) | |
| R24 | Radiator Fan Relay (Low Speed) | |
| R25 | Front Fog Lamp Relay | |
| R26 | Power Adjustable Pedals Relay | |
| 8 | Left Tail Lamp, Left Headlamp, License Plate Lamp | 10 A |
| 9 | Trailer Tow Harness Connector | 10 A |
| 10 | Right Headlamp, Instrument Cluster, Right Tail Lamp, Upper Switch Bank | 10 A |
| 12 | Front Control Module (FCM) | 20 A |
| 13 | 20 A | |
| 14 | Power Adjustable Pedals Relay | 20 A |
| 15 | Front Fog Lamp Relay | 20 A |
| 16 | Horn Circuit | 20 A |
| 17 | Rear Fog Lamp Relay | 20 A |
| 18 | Front Control Module (FCM) | 20 A |
| 19 | Trailer Tow Relay (Left Turn Signal) | 20 A |
| 20 | Front Control Module (FCM) | 20 A |
| 21 | Trailer Tow Relay (Right Turn Signal) | 20 A |
| 22 | Final Drive Control Module (FDCM) | 30 A |
| 23 | Radiator Fan (High/Low Speed) Relays | 50 A |
| 27 | Front Control Module (FCM), Electronic Overhead Console (EVIC), Sentry Key Remote Entry Module (SKREEM), Satellite Radio Receiver | 15 A |
| 28 | Radio / Audio Head Unit | 20 A |
| 29 | Occupant Restraint Controller Module (ORC / Airbag Module) | 10 A |
| 30 | 10 A | |
Passenger Compartment Fuse Box
Located under the lower left side of the instrument panel, to the left of the steering column.
General view (Front Face).
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating |
| 1 | Audio Amplifier | 30 A |
| 2 | Power Sunroof | 15 A |
| 3 | Heated Exterior Mirrors | 10 A |
| 4 | Rear 12V Auxiliary Power Outlet / Cigarette Lighter | 20 A |
| 5 | Rear HVAC Control Module | 10 A |
| 6 | 2004–2007: Occupant Classification Module (OCM) | 10 A |
| 7 | Driver Door Unlock Relay, Central Door Lock Relay, Passenger Door Unlock Relay | 20 A |
| 8 | 2004–2007: Steering Column Lock Module | 15 A |
| 9 | 12V Auxiliary Power Outlet (Center Console) / Cigarette Lighter Fuse | 20 A |
| 10 | Blower Motor Relay, Upper Switch Bank, Rear Window Defogger Relay, Lower Switch Bank, Final Drive Control Module (FDCM), Park Assist Module, A/C-Heater Control Module, Electronic Overhead Console (EVIC), Auto-Dimming Rearview Mirror | 10 A |
| 11 | Spare / Unused | |
| 12 | Courtesy Lamps, Cargo Lamp, Vanity Mirror Lamps, Glove Box Lamp, Door Handle Lamps, Memory Seat/Mirror Module, Door Mirror Switch | 10 A |
| 13 | 2008–2010: Rain-Sensing Automatic Windshield Wipers | 10 A |
| 14 | 12V Auxiliary Power Outlet (Instrument Panel) / Cigarette Lighter | 20 A |
| 15 | Tire Pressure Monitoring System (TPMS), Engine Compartment Fuse Box #2: Fuse "30" | 10 A |
| 16 | Instrument Cluster, Data Link Connector (DLC / OBD-II), Steering Control Module | 10 A |
| 17 | Liftgate Flip-Up Glass Relay | 15 A |
| 18 | Spare / Unused | |
| 19 | 2004–2007: Occupant Classification Module (OCM) | 10 A |
| 20 |
|
10 A |
| 21 | 2004–2007: Rain-Sensing Automatic Windshield Wipers | 15 A |
| 22 | Rear Wiper Relay | 15 A |
| 23 | Spare / Unused | |
| 24 | Transmission Relay, Fuel Pump Relay, A/C Compressor Clutch Relay, Brake Light Switch (5.7L Engine), Front Control Module (FCM), Powertrain Control Module (PCM) | 10 A |
| 25 | ABS Module, Brake Light Inhibit Relay, Transfer Case Selector Switch | 10 A |
| CB1 | Windshield Wiper Relays (On/Off and High/Low Speed Circuit Breaker) | 20 A |
| CB2 | Heated Seat Module, Power Seat Switch Circuit Breaker | 20 A |
| CB3 | Power Door Locks, Power Windows, Power Mirror Switch Circuit Breaker | 20 A |
| Rear Face (Backside) | ||
|
||
| K1 | Spare / Unused | |
| K2 | 12V Auxiliary Power Outlet Relay | |
| K3 | Spare / Unused | |
| K4 | Rear Window Defogger Relay | |
| K5 | Run/Accessory Relay | |
| K6 | Run Relay | |
| K7 | Run/Accessory Delay Relay | |
| K8 | Brake Light Inhibit Relay | |
| K9 | Spare / Unused | |
| K10 | Spare / Unused | |
| K11 | Liftgate Flip-Up Glass Relay | |
| K12 | Transmission Control Relay | |
| K13 | Central Door Lock Relay | |
| K14 | Driver Door Unlock Relay | |
| K15 | Passenger Door Unlock Relay | |
| K16 | Rear Wiper Relay | |