Page Contents:
In this article, you will find information about the fuses of the Ford E-150 / E-250 / E-350 / E-450 (models 2004, 2005, 2006, 2007, and 2008), including diagrams of the fuse boxes, a list of fuses and relays, their designation, and the location of the fuse blocks within the vehicle.

Checking and Replacing Fuses in Ford E-150 / E-250 / E-350 / E-450
If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical components. To remove a fuse use the fuse puller tool provided on the fuse panel cover.
Caution!
- Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
- Always disconnect the battery before servicing high current fuses.
- To reduce risk of electrical shock, always replace the cover to the Power Distribution Box before reconnecting the battery or refilling fluid reservoirs.
- If your vehicle is equipped with an auxiliary battery, disconnecting the primary under-hood battery DOES NOT remove power from all circuits.
Location of Fuse Boxes
Passenger Compartment Fuse Panel:
The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses.

Power Distribution Box:
The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.

Relay modules:
Instrument Panel Relay Module
The instrument panel relay module is located behind the radio in the center of the instrument panel. Have your authorized dealer service this module, if required.
Engine Compartment Relay Module
The engine compartment relay module is located in one of two places depending on which type of engine your vehicle is equipped with:
- Gasoline engine: driver side of the engine compartment above the brake master cylinder.
- Diesel engine: passenger side of the engine compartment behind the power distribution box.
Have your authorized dealer service this module, if required.
Fuse Box Diagrams
2004
Passenger Compartment Fuse Panel

| № | A | Description |
|---|---|---|
| 1 | 5A | 4-Wheel Anti-lock Brake System (4WABS) module |
| 2 | 10A | Remote Keyless Entry (RKE), O/D cancel, Low vacuum (Diesel engine only) |
| 3 | 15A | Trip Computer, Radio, Instrument illumination, Video Cassette Player (VCP) and video screens, Overhead console |
| 4 | 15A | Modified vehicle, Courtesy lamps |
| 5 | 30A | Power lock switches, Power locks without RKE |
| 6 | 10A | Brake-shift interlock, Speed control (gasoline engine only) |
| 7 | 10A | Multi-function switch, Turn signals |
| 8 | 30A | Radio capacitor(s), Ignition coil, Powertrain Control Module (PCM) diode, PCM power relay, Auxiliary PCM (APCM) (Diesel engine only) |
| 9 | 30A | Wiper control module, Windshield wiper motor |
| 10 | 20A | Main light switch, Park lamps, License lamp (externai lamps), Multi-function switch (flash-to-pass) |
| 11 | 15A | Multi-function switch (hazards), Brake lamp switch, Brake lamps |
| 12 | 15A | Back-up lamps, Auxiliary battery relay (gasoline engine only), Trailer tow relay |
| 13 | 15A | Blend door actuator, A/C heater, Function selector switch |
| 14 | 5A | Instrument cluster |
| 15 | 5A | Trailer battery charge relay, Cluster, Daytime Running Lamps (DRL) module |
| 16 | 30A | Power seats |
| 17 | 5A | Power mirrors |
| 18 | - | Not used |
| 19 | - | Not used |
| 20 | 10A | Restraints |
| 21 | - | Not used |
| 22 | 15A | Memory power radio, Rear seat video control unit, Battery saver relay, Instrument cluster, Courtesy lamp relay, Accessory delay relay |
| 23 | 20A | Power locks w/RKE |
| 24 | - | Not used |
| 25 | 10A | Left headlamp (low beam) |
| 26 | 20A | Cigar lighter, Diagnostics |
| 27 | 5A | Radio |
| 28 | - | Not used |
| 29 | 20A | Power point #4 (console) |
| 30 | 15A | Headlamps (high beam indicator) |
| 31 | 10A | Right headlamp (low beam) |
| 32 | 20A | Power point #1 (instrument panei) |
| 33 | 10A | Starter solenoid (gasoline engine only)/Start relay (diesel engine only) |
| 34 | 20A | Power point #3 (console) |
| 35 | 30A | Modified vehicle |
| 36 | 5A | (Cluster, A/C, Illumination, Radio) |
| 37 | - | Not used |
| 38 | - | Not used |
| 39 | 10A | Trailer tow electric brake, Center High-Mounted Stop Lamp (CHMSL), Brake lamps |
| 40 | 20A | Power point #2 (2nd row seating position - driver side) |
| 41 | 30A | Modified vehicle |
| 42 | - | Not used |
| 43 | 20A Circuit breaker | Power Windows |
| 44 | - | Not used |
Instrument Panel Relay Module

| № | Description |
|---|---|
| 1 | Interior lamps |
| 2 | Open |
| 3 | Roof marker lamps |
| 4 | Battery saver |
Power Distribution Box

| № | A | Description |
|---|---|---|
| 1 | - | Powertrain Control Module (PCM) diode |
| 2 | - | Alternative Fuel Control Module (AFCM) diode (Natural gas vehicle only) |
| 3 | 10A* | Daytime Running Lamps (DRL) module, A/C clutch |
| 4 | 20A* | Natural Gas Vehicle (NGV) tank solenoids (natural gas vehicle only) |
| 5 | 15 A* | Horn relay |
| 6 | 2A* | Brake pressure switch |
| 7 | 60A** | Ignition switch, Fuse panei, Accessory delay |
| 8 | 40A** | Trailer battery charge relay |
| 9 | 50 A** | Modified vehicle power |
| 10 | 30A** | Electric brake controller |
| 11 | 60A** | 4-Wheel Anti-lock Brake System (4WABS) |
| 12 | 60A** | I/P fuses 29, 34, 35, 40 and 41 |
| 13 | 20A** | Fuel pump relay |
| 14 | 50A** | Auxiliary blower relay |
| 15 | 30A** | Main light switch |
| 16 | - | Not used |
| 17 | 50A** | Blower motor relay (blower motor) |
| 18 | 60A** | Engine compartment fuses 3, 5, 23 and 26, Instrument panei fuses 26 and 32, Diesel start relay (Diesel engine only) |
| 19 | 50A** | IDM relay (Diesel engine only) |
| 20 | 60A** | Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24 (Diesel engine only) |
| 21 | 30A** | PCM power relay, PDB fuse 27 |
| 22 | 60A** | I/P fuses 4, 5, 10, 11, 16, 17, 22 and 23 |
| 23 | 10A* | Alternator |
| 24 | 20A* | Trailer tow running lamps and back-up lamp relays |
| 25 | - | Not used |
| 26 | 20A* | Trailer tow turn signals |
| 27 | 10A* | PCM |
| 28 | - | Not used |
| A | - | Fuel pump relay |
| B | - | Horn relay |
| C | - | Trailer back-up lamps relay |
| D | - | Trailer running lamps relay |
| E | - | Trailer battery charge relay |
| F | - | IDM relay (Diesel only) |
| G | - | PCM relay |
| H | - | Blower motor relay |
| J | - | Accessory delay relay |
| K | - | Start relay (Diesel only) |
| * Mini fuses ** Maxi fuses | ||
Engine Compartment Relay Module

| № | Description |
|---|---|
| 1 | Trailer tow left turn |
| 2 | A/C control |
| 3 | PCM back-up lamp |
| 4 | Trailer tow right turn |
2005
Passenger Compartment Fuse Panel

| № | A | Description |
|---|---|---|
| 1 | 5A | 4-Wheel Anti-lock Brake System (4WABS) module |
| 2 | 10A | Remote Keyless Entry (RKE), O/D cancel |
| 3 | 15A | Trip Computer, Radio, Overhead console |
| 4 | 15A | Courtesy lamps |
| 5 | 30A | Power lock switches, Power locks without RKE |
| 6 | 10A | Brake-shift interlock, Daytime Running Lamps (DRL) module |
| 7 | 10A | Multi-function switch, Turn signals |
| 8 | 30A | Radio capacitor(s), Ignition coil, Powertrain Control Module (PCM) diode, PCM power relay |
| 9 | 5A | Wiper control module |
| 10 | 20A | Main light switch, Park lamps, License lamp (externai lamps), Multi-function switch (flash-to-pass) |
| 11 | 15A | Multi-function switch (hazards), Brake lamp switch, Brake lamps |
| 12 | 15A | Back-up lamps, Auxiliary battery relay (gasoline engine only), Trailer tow relay |
| 13 | 15A | Blend door actuator, Function selector switch |
| 14 | 5A | Instrument cluster |
| 15 | 5A | Trailer battery charge relay, Cluster |
| 16 | 30A | Power seats |
| 17 | 5A | Power mirrors |
| 18 | - | Not used |
| 19 | - | Not used |
| 20 | 10A | Restraints |
| 21 | - | Not used |
| 22 | 15A | Memory power radio, Battery saver relay, Instrument cluster, Courtesy lamp relay, Accessory delay relay |
| 23 | 20A | Power locks w/RKE |
| 24 | - | Not used |
| 25 | 10A | Left headlamp (low beam) |
| 26 | 20A | Cigar lighter, Diagnostics |
| 27 | 5A | Radio |
| 28 | - | Not used |
| 29 | - | Not used |
| 30 | 15A | Headlamps (high beam indicator) |
| 31 | 10A | Right headlamp (low beam) |
| 32 | 20A | Power point #1 (instrument panei) |
| 33 | 10A | Start relay |
| 34 | - | Not used |
| 35 | - | Not used |
| 36 | 5A | Instrument illumination |
| 37 | - | Not used |
| 38 | - | Not used |
| 39 | 10A | Trailer tow electric brake, Center High-Mounted Stop Lamp (CHMSL), Brake lamps |
| 40 | 20A | Power point #2 (2nd row seating position - driver side) |
| 41 | 30A | Modified vehicle |
| 42 | 20A Circuit breaker | Power Windows |
| 43 | - | Not used |
| 44 | 20A Circuit breaker | Wiper/washer |
Instrument Panel Relay Module

| № | Description |
|---|---|
| 1 | Interior lamps |
| 2 | Open |
| 3 | Open |
| 4 | Battery saver |
Power Distribution Box

| № | A | Description |
|---|---|---|
| 1 | - | Powertrain Control Module (PCM) diode |
| 2 | - | Not used |
| 3 | 10A* | Daytime Running Lamps (DRL) module, A/C clutch |
| 4 | - | Not used |
| 5 | 15A* | Horn relay |
| 6 | 2A* | Brake pressure switch |
| 7 | 60A** | Ignition switch, Fuse panel, Accessory delay |
| 8 | 40A** | Trailer battery charge relay |
| 9 | 50A** | Modified vehicle power |
| 10 | 30A** | Electric brake controller |
| 11 | 60A** | 4-Wheel Anti-lock Brake System (4WABS) |
| 12 | 60A** | PP fuses 29, 34, 35, 40 and 41 |
| 13 | 20A** | Fuel pump relay |
| 14 | 50A** | Auxiliary blower relay |
| 15 | 30A** | Main light switch |
| 16 | - | Not used |
| 17 | 50A** | Blower motor relay (blower motor) |
| 18 | 60A** | Engine compartment fuses 3, 5, 23 and 26, Instrument panel fuses 26 and 32, Start relay |
| 19 | 50A** | IDM relay (Diesel engine only) |
| 20 | 60A** | Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24 |
| 21 | 30A** | PCM power relay, PDB fuse 27 |
| 22 | 60A** | I/P fuses 4, 5, 10, 11, 16, 17, 22 and 23, Circuit breaker 44 |
| 23 | 10A* | Alternator field (Diesel only) |
| 24 | 20A* | Trailer tow running lamps and back-up lamp relays |
| 25 | - | Not used |
| 26 | 20A* | Trailer tow turn signals |
| 27 | 10A* | PCM |
| 28 | - | Not used |
| A | - | Fuel pump relay |
| B | - | Horn relay |
| C | - | Trailer back-up lamps relay |
| D | - | Trailer running lamps relay |
| E | - | Trailer battery charge relay |
| F | - | IDM relay (Diesel only) |
| G | - | PCM relay |
| H | - | Blower motor relay |
| J | - | Accessory delay relay |
| K | - | Start relay |
| * Mini fuses ** Maxi fuses | ||
Engine Compartment Relay Module

| № | Description |
|---|---|
| 1 | PCM back-up lamp |
| 2 | A/C control |
| 3 | Trailer tow right turn |
| 4 | Trailer tow left turn |
2006
Passenger Compartment Fuse Panel

| № | A | Description |
|---|---|---|
| 1 | 5A | 4-Wheel Anti-lock Brake System (4WABS) module |
| 2 | 10A | Remote Keyless Entry (RKE), O/D cancel, IVD module |
| 3 | 15A | Trip Computer, Radio, Overhead console |
| 4 | 15A | Courtesy lamps |
| 5 | 30A | Power lock switches, Power locks without RKE |
| 6 | 10A | Brake-shift interlock, Daytime Running Lamps (DRL) module |
| 7 | 10A | Multi-function switch, Turn signals |
| 8 | 30A | Radio capacitor(s), Ignition coil, Powertrain Control Module (PCM) diode, PCM power relay |
| 9 | 5A | Wiper control module |
| 10 | 20A | Main light switch, Park lamps, License lamp (externai lamps), Multi-function switch (flash-to-pass) |
| 11 | 15A | Multi-function switch (hazards), Brake lamp switch, Brake lamps |
| 12 | 15A | Back-up lamps, Auxiliary battery relay (gasoline engine only) |
| 13 | 15A | Blend door actuator, Function selector switch |
| 14 | 5A | Instrument cluster |
| 15 | 5A | Trailer battery charge relay, Cluster |
| 16 | 30A | Power seats |
| 17 | 5A | Power mirrors |
| 18 | - | Not used |
| 19 | - | Not used |
| 20 | 10A | Restraints |
| 21 | - | Not used |
| 22 | 15A | Memory power radio, Battery saver relay, Instrument cluster, Courtesy lamp relay, Accessory delay relay |
| 23 | 20A | Power locks w/RKE |
| 24 | - | Not used |
| 25 | 10A | Left headlamp (low beam) |
| 26 | 20A | Cigar lighter, Diagnostics |
| 27 | 5A | Radio |
| 28 | - | Not used |
| 29 | - | Not used |
| 30 | 15A | Headlamps (high beam indicator) |
| 31 | 10A | Right headlamp (low beam) |
| 32 | 20 A | Power point #1 (instrument panei) |
| 33 | 10A | Start relay |
| 34 | 30A | IP Body builder connector #3 |
| 35 | - | Not used |
| 36 | 5A | Instrument illumination |
| 37 | 5A | Airbag deactivation switch |
| 38 | - | Not used |
| 39 | 10A | Trailer tow electric brake, Center High-Mounted Stop Lamp (CHMSL), Brake lamps |
| 40 | 20 A | Power point #2 (2nd row seating position - driver side) |
| 41 | 30A | Modified vehicle |
| 42 | 20A Circuit breaker | Power Windows |
| 43 | - | Not used |
| 44 | 20A Circuit breaker | Wiper/washer |
Instrument Panel Relay Module

| № | Description |
|---|---|
| 1 | Interior lamps |
| 2 | Open |
| 3 | Open |
| 4 | Battery saver |
Power Distribution Box

| № | A | Description |
|---|---|---|
| 1 | - | Powertrain Control Module (PCM) diode |
| 2 | - | Auxiliary battery diode |
| 3 | 15A* | Daytime Running Lamps (DRL) module, A/C clutch |
| 4 | 5A* | Heated PCV (4.6L and 6.8L gasoline engines) |
| 5 | 15A* | Horn relay |
| 6 | 2A* | Brake pressure switch |
| 7 | 60A** | Ignition switch, Accessory delay |
| 8 | 40A** | Trailer battery charge relay |
| 9 | 50A** | Modified vehicle power |
| 10 | 30A** | Electric brake controller |
| 11 | 60A** | 4-Wheel Anti-lock Brake System (4WABS) |
| 40A** | AdvanceTrac with RSC | |
| 12 | 60A** | I/P fuses 29, 34, 35, 40 and 41 |
| 13 | 20A** | Fuel pump relay |
| 14 | 50A** | Auxiliary blower relay |
| 15 | 30A** | Main light switch |
| 16 | 20A** | Injectors (gasoline engines) |
| 17 | 50A** | Blower motor relay (blower motor) |
| 18 | 60A** | Engine compartment fuses 3, 5 and 26, Instrument panei fuses 26 and 32, Start relay |
| 19 | 50A** | IDM relay (diesel engine only) |
| 40A** | AdvanceTrac with RSC (gasoline engines only ) | |
| 20 | 60A** | Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24 |
| 21 | 30A** | PCM power relay, PDB fuse 27 |
| 22 | 60A** | I/P fuses 4, 5, 10, 11, 16, 17, 22 and 23, Circuit breaker 44 |
| 23 | 10A* | Alternator field (diesel engine only) |
| 20A* | CMS, HEGOS, MAF, EGR, A/C clutch relay (gasoline engine only) | |
| 24 | 20A* | Trailer tow running lamps and back-up lamp relays |
| 25 | - | Not used |
| 26 | 20A* | Trailer tow turn signals |
| 27 | 10A* | PCM |
| 28 | - | Not used |
| A | - | Fuel pump relay |
| B | - | Horn relay |
| C | - | Trailer back-up lamps relay |
| D | - | Trailer running lamps relay |
| E | - | Trailer battery charge relay |
| F | - | IDM relay (diesel only), IVD (gasoline only) |
| G | - | PCM relay |
| H | - | Blower motor relay |
| J | - | Accessory delay relay |
| K | - | Start relay |
| * Mini fuses ** Maxi fuses | ||
Engine Compartment Relay Module

| № | Description |
|---|---|
| 1 | PCM back-up lamp |
| 2 | A/C control |
| 3 | Trailer tow right turn |
| 4 | Trailer tow left turn |
2007
Passenger Compartment Fuse Panel

| № | A | Description |
|---|---|---|
| 1 | 5A | 4-Wheel Anti-lock Brake System (4WABS) module |
| 2 | 10A | Remote Keyless Entry (RKE), O/D cancel, IVD module |
| 3 | 15A | Trip Computer, Radio, Overhead console |
| 4 | 15A | Courtesy lamps |
| 5 | 30A | Power lock switches, Power locks without RKE |
| 6 | 10A | Brake-shift interlock, Daytime Running Lamps (DRL) module, Reverse Park Aid (RPA) |
| 7 | 10A | Multi-function switch, Turn signals |
| 8 | 15A | Radio capacitor(s), Ignition coil, Powertrain Control Module (PCM) diode, PCM power relay |
| 9 | 5A | Wiper control module |
| 10 | 20A | Main light switch, Park lamps, License lamp (externai lamps), Multi-function switch (flash-to-pass), BSM |
| 11 | 15A | Multi-function switch (hazards), Brake lamp switch, Brake lamps, IVD relay |
| 12 | 15A | Back-up lamps, Auxiliary battery relay (gasoline engine only) |
| 13 | 15A | Blend door actuator, Function selector switch |
| 14 | 5A | Instrument cluster |
| 15 | 5A | Trailer battery charge relay, Cluster, BSM |
| 16 | 30A | Power seats |
| 17 | 5A | Power mirrors |
| 18 | - | Not used |
| 19 | - | Not used |
| 20 | 10A | Restraints |
| 21 | - | Not used |
| 22 | 15A | Memory power radio, Battery saver relay, Instrument cluster, Courtesy lamp relay, Accessory delay relay |
| 23 | 20A | Power locks w/RKE |
| 24 | - | Not used |
| 25 | 10A | Left headlamp (low beam) |
| 26 | 20A | Cigar lighter, Diagnostics |
| 27 | 5A | Radio |
| 28 | - | Not used |
| 29 | - | Not used |
| 30 | 15A | Headlamps (high beam indicator) |
| 31 | 10A | Right headlamp (low beam) |
| 32 | 20A | Power point #1 (instrument panel) |
| 33 | 10A | Start relay |
| 34 | - | Not used |
| 35 | - | Not used |
| 36 | 5A | Instrument illumination |
| 37 | - | Not used |
| 38 | - | Not used |
| 39 | 10A | Trailer tow electric brake, Center High-Mounted Stop Lamp (CHMSL), Brake lamps |
| 40 | 20A | Power point #2 (2nd row seating position - driver side) |
| 41 | 30A | Modified vehicle |
| 42 | 20A Circuit breaker | Power Windows |
| 43 | - | Not used |
| 44 | 20A Circuit breaker | Wiper/washer |
Instrument Panel Relay Module

| № | Description |
|---|---|
| 1 | Interior lamps |
| 2 | Open |
| 3 | Open |
| 4 | Battery saver |
Power Distribution Box

| № | A | Description |
|---|---|---|
| 1 | - | Powertrain Control Module (PCM) diode |
| 2 | - | Auxiliary battery diode |
| 3 | 15A* | Daytime Running Lamps (DRL) module, A/C clutch |
| 4 | 5A* | Heated PCV (4.6L and 6.8L gasoline engines) |
| 5 | 15A* | Horn relay |
| 6 | - | Not used |
| 7 | 60A** | Ignition switch, Accessory delay |
| 8 | 40A** | Trailer battery charge relay |
| 9 | 50A** | Modified vehicle power |
| 10 | 30A** | Electric brake controller |
| 11 | 60A** | 4-Wheel Anti-lock Brake System (4WABS) |
| 40A** | AdvanceTrac with RSC | |
| 12 | 60A** | I/P fuses 29, 34, 35, 40 and 41 |
| 13 | 20A** | Fuel pump relay |
| 14 | 50A** | Auxiliary blower relay |
| 15 | 30A** | Main light switch |
| 16 | 20A** | Injectors (gasoline engines) |
| 17 | 50A** | Blower motor relay (blower motor) |
| 18 | 60A** | Engine compartment fuses 3, 5 and 26, Instrument panei fuses 26 and 32, Start relay |
| 19 | 50A** | IDM relay (diesel engine only) |
| 40A** | AdvanceTrac with RSC (gasoline engines only ) | |
| 20 | 60A** | Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24 |
| 21 | 30A** | PCM power relay, PDB fuse 27 |
| 22 | 60A** | I/P fuses 4, 5, 10, 11, 16, 17, 22 and 23, Circuit breaker 44 |
| 23 | 10A* | Alternator field (diesel engine only) |
| 20A* | CMS, HEGOS, MAF, EGR, A/C clutch relay (gasoline engine only) | |
| 24 | 20A* | Trailer tow running lamps and back-up lamp relays |
| 25 | - | Not used |
| 26 | 20A* | Trailer tow turn signals |
| 27 | 10A* | PCM keep alive, Canister vent (gasoline engine only) |
| 28 | - | Not used |
| A | - | Fuel pump relay |
| B | - | Horn relay |
| C | - | Trailer back-up lamps relay |
| D | - | Trailer running lamps relay |
| E | - | Trailer battery charge relay |
| F | - | IDM relay (diesel only), IVD (gasoline only) |
| G | - | PCM relay |
| H | - | Blower motor relay |
| J | - | Accessory delay relay |
| K | - | Start relay |
| * Mini fuses ** Maxi fuses | ||
Engine Compartment Relay Module

| № | Description |
|---|---|
| 1 | PCM back-up lamp |
| 2 | A/C control |
| 3 | Trailer tow right turn |
| 4 | Trailer tow left turn |
2008
Passenger Compartment Fuse Panel

| № | A | Description |
|---|---|---|
| 1 | - | Not used |
| 2 | 10A | Remote Keyless Entry (RKE), O/D cancel, IVD module, 4W ABS |
| 3 | 15A | Delayed accessory overhead console, Audio |
| 4 | 15A | Courtesy lamps |
| 5 | 30A | Power door locks without BSM |
| 6 | 10A | Daytime Running Lamps (DRL) module, Reverse Park Aid (RPA) |
| 7 | 10A | Multi-function switch, Turn signals |
| 8 | 15A | Radio capacitor(s), Ignition coils, PCM (Powertrain Control Module) relay |
| 9 | 5A | Wiper control module |
| 10 | 20A | Main light switch, Park lamps, License lamp (external lamps), Multi-function switch (flash-to-pass), BSM |
| 11 | 15A | Multi-function switch (hazards), Brake lamps, IVD relay |
| 12 | 15A | Back-up lamps, Auxiliary battery relay (gasoline engine only) |
| 13 | 15A | Blend door actuator, A/C mode |
| 14 | 5A | Instrument cluster |
| 15 | 5A | Trailer battery charge relay, Cluster, BSM |
| 16 | 30A | Power seats |
| 17 | 5A | Power mirrors |
| 18 | - | Not used |
| 19 | - | Not used |
| 20 | 10A | Restraints |
| 21 | - | Not used |
| 22 | 15A | Audio, Instrument cluster, Courtesy lamp relay, Accessory delay relay |
| 23 | 20A | Power locks w/RKE or sliding door |
| 24 | - | Not used |
| 25 | 10A | Left headlamp (low beam) |
| 26 | 20A | Cigar lighter |
| 27 | 5A | Audio |
| 28 | - | Not used |
| 29 | 10A | Diagnostics |
| 30 | 15A | Headlamps (high beam indicator), DRL |
| 31 | 10A | Right headlamp (low beam) |
| 32 | 20A | Power point #1 (instrument panei) |
| 33 | 10A | Starter relay |
| 34 | - | Not used |
| 35 | - | Not used |
| 36 | 5A | Instrument illumination |
| 37 | 15A | Ignition switch |
| 38 | 10A | Brake Shift Interlock |
| 39 | 10A | Trailer tow electric brake, Center High-Mounted Stop Lamp (CHMSL) |
| 40 | 20A | Power point (body B-pillar) |
| 41 | 30A | Modified vehicle |
| 42 | 20A Circuit breaker | Power Windows |
| 43 | - | Not used |
| 44 | 30A Circuit breaker | Wiper/washer |
Instrument Panel Relay Module

| № | Description |
|---|---|
| 1 | Interior lamps |
| 2 | Open |
| 3 | Open |
| 4 | Battery saver |
Power Distribution Box

| № | A | Description |
|---|---|---|
| 1 | - | Powertrain Control Module (PCM) diode |
| 2 | - | Auxiliary battery diode |
| 3 | 15A* | Daytime Running Lamps (DRL) module, A/C clutch |
| 4 | 5A* | Heated PCV (4.6L and 6.8L engines) |
| 5 | 15A* | Horn relay |
| 6 | 20A | PCM - fuel injectors |
| 7 | 60A** | Ignition switch, Delayed accessory delay |
| 8 | 40A** | Trailer tow battery charge relay |
| 9 | 50A** | Modified vehicle power |
| 10 | 30A** | Trailer tow electric brake controller |
| 11 | 40A** | 4-Wheel Anti-lock Brake System (4WABS) and Flex fuel (FF) module (if equipped), or AdvanceTrac with RSC. |
| 12 | 60A** | I/P fuses 29, 34, 35, 40 and 41 |
| 13 | 20A** | Fuel pump relay |
| 14 | 50A** | Auxiliary blower relay |
| 15 | 30A** | Main light switch |
| 16 | 40A** | ABS/IVD |
| 17 | 50A** | Blower motor relay (blower motor) |
| 18 | 60A** | Engine compartment fuses 3, 5 and 26, 23 (diesel) Instrument panel fuses 26 and 32, PCM start relay |
| 19 | 50A** | IDM relay (diesel engine only) |
| 20 | 60A** | Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24 |
| 21 | 30A** | PCM power relay, PDB fuse 27 |
| 22 | 60A** | I/P fuses 4, 5, 10, 11, 16, 17, 22 and 23, Circuit breaker 44 |
| 23 | 10A* | Alternator field (diesel engine only) |
| 20A* | PCM, VMV, HEGO, MAF, EGR, (gasoline engine only) | |
| 24 | 20A* | Trailer tow running lamps and back-up lamp relays |
| 25 | - | Not used |
| 26 | 20A* | Trailer tow turn signals |
| 27 | 10A* | PCM KAPWR, Canister vent (gasoline engine only) |
| 28 | - | Not used |
| A | - | Fuel pump relay |
| B | - | Horn relay |
| C | - | Trailer back-up lamps relay |
| D | - | Trailer running lamps relay |
| E | - | Trailer battery charge relay |
| F | - | IDM relay (diesel only), IVD (gasoline only) |
| G | - | PCM relay |
| H | - | Blower motor relay |
| J | - | Accessory delay relay |
| K | - | Start relay |
| * Mini fuses ** Maxi fuses | ||
Engine Compartment Relay Module

| № | Description |
|---|---|
| 1 | PCM back-up lamp |
| 2 | A/C control |
| 3 | Trailer tow right turn |
| 4 | Trailer tow left turn |