The fourth-generation Ford E-Series / Econoline (E-150, E-250, E-350, E-450) , after its second refresh , was produced from 2002 to 2008 . Designed for commercial fleets, cargo transport, ambulances, and passenger shuttles , this model continued to offer powerful engine options, a durable chassis, and exceptional versatility .
In this article, you will find fuse box diagrams for Ford E-Series models produced between 2002 and 2008 , covering years 2002, 2003, 2004, 2005, 2006, 2007, and 2008 . These diagrams provide essential insights into the fuse layout , helping fleet operators, mechanics, and technicians locate and understand the function of each fuse and relay .
What’s Included:
Fuse Box Diagrams – Clear and detailed visuals to help identify fuses, relays, and circuit breakers .Fuse Panel Locations – Step-by-step guidance on where to find the fuse panels inside the Ford E-Series.Fuse Assignments – Comprehensive descriptions of each fuse and relay function for accurate diagnostics and troubleshooting.
Whether you’re searching for the fuse panel layout , replacing a blown fuse , or diagnosing an electrical issue , this guide is an essential resource. It ensures that your Ford E-Series’ electrical system remains functional and reliable for heavy-duty work, long-distance travel, and professional use .
Keep your Ford E-Series (2002–2008) operating efficiently with this detailed fuse box, fuse panel, and relay guide!
The cigar lighter (power outlet) fuses in the Ford E-Series vary by model year:
2002–2003 (Instrument Panel Fuse Box):
Fuse №23 : Cigar LighterFuse №26 : Rear Power PointFuse №33 : E Traveler Power Point #2Fuse №39 : E Traveler Power Point #1
Since 2004 (Instrument Panel Fuse Box):
Fuse №26 : Cigar LighterFuse №32 : Power Point #1 (Instrument Panel)Fuse №34 : Power Point #3 (Console, if equipped)Fuse №40 : Power Point #2 (2nd Row Seating Position – Driver Side / Body B-Pillar)
The fuse panel is located below and to the left of the steering wheel by the brake pedal.
The power distribution box is located in the engine compartment.
The instrument panel relay module is located behind the radio in the center of the instrument panel
The engine compartment relay module is located in one of two places depending on which type of engine your vehicle is equipped with:
Assignment of the fuses in the Passenger compartment (2002)
№ Amp Rating Passenger Compartment Fuse Panel Description 1 20A 4WABS Module 2 15A Brake Warning Lamp, Instrument Cluster, Warning Chime, 4WABS Relay, Warning Indicators, Low Vacuum Warning Switch (Diesel Only) 3 15A Main Light Switch, RKE Module, Radio, Instrument Illumination, E Traveler VCP and video screens, Overhead Console 4 15A Power Locks w/RKE, Illuminated Entry, Warning Chime, Modified Vehicle, Main Light Switch, Courtesy Lamps 5 20A RKE Module, Power Lock Switches, Memory Lock, Power Locks with RKE 6 10A Brake Shift Interlock, Speed Control, DRL Module 7 10A Multi-Function Switch, Turn Signals 8 30A Radio Capacitor(s), Ignition Coil, PCM Diode, PCM Power Relay, Fuel Heater (Diesel Only), Glow Plug Relay (Diesel Only) 9 30A Wiper Control Module, Windshield Wiper Motor 10 20A Main Light Switch, Park Lamps, License Lamp,(External Lamps) Multi-Function Switch (Flash-to-pass) 11 15A Brake Pressure Switch, Multi-Function Switch (Hazards), Brake Lamp Switch, Brake Lamps 12 15A Transmission Range (TR) Sensor, Backup Lamps, Auxiliary Battery Relay 13 15A Blend Door Actuator, A/C Heater, Function Selector Switch 14 5A Instrument Cluster (Air Bag and Charge Indicator) 15 5A Trailer Battery Charge Relay 16 30A Power Seats 17 — Not Used 18 — Not Used 19 10A Air Bag Diagnostic Monitor 20 5A Overdrive Cancel Switch 21 30A Power Windows* 22 15A Memory Power Radio, E Traveler Radio, E Traveler Console 23 20A Cigar Lighter, Data Link Connector (DLC) 24 — Not Used 25 10A Left Headlamp (Low Beam) 26 20A Rear Power Point 27 5A Radio 28 20A Power Plug 29 — Not Used 30 15A Headlamps (High Beam Indicator), DRL10A 31 10A Right Headlamp (Low Beam), DRL 32 5A Power Mirrors 33 20A E Traveler Power Point #2 34 10A Transmission Range (TR) Sensor 35 30A RKE Module 36 5A (Cluster, A/C, Illumination, Radio), Steering Column Assembly 37 20A Power Plug 38 10A Air Bag Diagnostic Monitor 39 20A E Traveler Power Point #1 40 30A Modified Vehicle 41 30A Modified Vehicle 42 — Not Used 43 20A C.B. Power Windows* 44 — Not Used * Either Fuse 21 or Circuit breaker 43 will be present for power windows.
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Assignment of the fuses in the Power distribution box (2002)
№ Amp Rating Power Distribution Box Description 1 — Not Used 2 — Not Used 3 — Not Used 4 10 A* PCM Keep Alive Memory, Instrument Cluster, Voltmeter 5 10 A* Right Trailer Turn Signal 6 10 A* Left Trailer Turn Signal 7 — Not Used 8 60A** I/P Fuses 5, 11, 23, 38, 4, 10, 16, 22, 28, 32 9 30A** PCM Power Relay, Engine Compartment Fuse 4 10 60A** Auxiliary Battery Relay, Engine Compartment Fuses 14, 22 11 30A** IDM Relay (Diesel Only) 12 60A** Engine Compartment Fuses 25, 27 13 50A** Blower Motor Relay (Blower Motor) 14 30A** Trailer Running Lamps Relay, Trailer Backup Lamps Relay 15 40A** Main Light Switch, Daytime Running Lights (DRL) 16 50A** Auxiliary Blower Motor Relay 17 30A** Fuel Pump Relay 18 60A** I/P Fuses 40, 41,26, 33, 39 19 60A** 4WABS Module 20 20A** Electric Brake Controller 21 50A** Modified Vehicle Power 22 40A** Trailer Battery Charge Relay, Modified Vehicles 23 60A** Ignition Switch, Fuse Panel 24 20A* Natural Gas Tank Valves (NGV only) 25 20A* NGV Module (Natural Gas Only) 26 10 A* A/C Clutch (4.2L Only) 27 15A* DRL Module, Horn Relay 28 — PCM Diode 29 — Not Used A — Not Used B — Stop Lamp Relay C — Trailer Backup Lamps Relay D — Trailer Running Lamps Relay E — Trailer Battery Charge Relay F — IDM Relay (Diesel Only), A/C Clutch Relay (4.2L Only) G — PCM Relay H — Blower Motor Relay J — Horn Relay K — Fuel Pump Relay * Mini Fuses
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Assignment of the fuses in the Passenger compartment (2003)
№ Amp Rating Passenger Compartment Fuse Panel Description 1 20A 4WABS module 2 15A Brake warning lamp, Instrument cluster, Warning chime, 4WABS relay, Warning indicators, Low vacuum warning switch (Diesel only) 3 15A Main light switch, RKE module, Radio, Instrument illumination, VCP and video screens, Overhead console 4 15A Power locks w/RKE, Illuminated entry, Warning chime, Modified vehicle, Main light switch, Courtesy lamps 5 20A RKE module, Power lock switches, Memory lock, Power locks with RKE 6 10A Brake shift interlock, Speed control, DRL module 7 10A Multi-function switch, Turn signals 8 30A Radio capacitor(s), Ignition coil, PCM diode, PCM power relay, Fuel heater (Diesel only), Glow plug relay (Diesel only) 9 30A Wiper control module, Windshield wiper motor 10 20A Main light switch, Park lamps, License lamp (external lamps), Multi-function switch (flash-to-pass) 11 15A Brake pressure switch, Multi-function switch (hazards), Brake lamp switch, Brake lamps 12 15A Transmission Range (TR) sensor, Backup lamps, Auxiliary battery relay 13 15A Blend door actuator, A/C heater, Function selector switch 14 5A Instrument cluster (air bag and charge indicator) 15 5A Trailer battery charge relay 16 30A Power seats 17 — Not used 18 — Not used 19 10A Air bag diagnostic monitor 20 5A Overdrive cancel switch 21 30A Power windows* 22 15A Memory power radio, Rear seat control unit, Video screen 23 20A Cigar lighter, Data Link Connector (DLC) 24 — Not used 25 10A Left headlamp (low beam) 26 — Not used 27 5A Radio 28 20A Power plug 29 — Not used 30 15A Headlamps (high beam indicator), DRL10A 31 10A Right Headlamp (Low Beam), DRL 32 5A Power mirrors 33 20A Power point #2 34 10A Transmission Range (TR) sensor 35 30A RKE module 36 5A (Cluster, A/C, Illumination, Radio), Steering column assembly 37 20A Rear power point 38 10A Air bag diagnostic monitor 39 20A Power point #1 40 30A Modified vehicle 41 30A Modified vehicle 42 — Not used 43 20A C.B. Power windows* 44 — Not used * Either Fuse 21 or Circuit breaker 43 will be present for power windows.
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Assignment of the fuses in the Power distribution box (2003)
№ Amp Rating Power Distribution Box Description 1 — Not used 2 — Not used 3 — Not used 4 10 A* Powertrain Control Module (PCM) Keep Alive Memory, Instrument cluster, Voltmeter 5 10 A* Right trailer turn signal 6 10 A* Left trailer turn signal 7 20A* Clearance lamps 8 60A** I/P fuses 4, 5, 10, 11, 16, 22, 23, 28, 32, 38 9 30A** PCM power relay, Engine compartment fuse 4 10 60A** Auxiliary battery relay, Engine compartment fuses 14, 22 11 30A** IDM relay (Diesel only) 12 60A** Engine compartment fuses 25, 27 13 50A** Blower motor relay (blower motor) 14 30A** Trailer running lamps relay, Trailer backup lamps relay 15 40 A** Main light switch, Daytime Running Lights (DRL) 16 50A** Auxiliary blower motor relay 17 30A** Fuel pump relay 18 60A** I/P fuses 33, 37, 39, 40, 41 19 60A** 4WABS module 20 20A** Electric brake controller 21 50A** Modified vehicle power 22 40 A** Trailer battery charge relay, Modified vehicles 23 60A** Ignition switch, Fuse panel 24 30A* Natural gas tank valves (NGV only) 25 20A* NGV module (NGV only) 26 10 A* A/C clutch (4.2L only) 27 15A* DRL module, Horn relay 28 — PCM diode 29 — Not used A — Marker lamps relay B — Stop lamp relay C — Trailer backup lamps relay D — Trailer running lamps relay E — Trailer battery charge relay F — IDM relay (Diesel only), A/C clutch relay (4.2L only) G — PCM relay H — Blower motor relay J — Horn relay K — Fuel pump relay * Mini fuses
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Assignment of the fuses in the Passenger compartment (2004)
№ Amp Rating Passenger Compartment Fuse Panel 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 (external 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, Batteiy 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 panel) 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
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Assignment of the fuses in the Power distribution box (2004)
№ Amp Rating Power Distribution Box Description 1 — Powertrain Control Module (PCM) diode 2 Alternative Fuel Control Module (AFCM) diode (Natural gas vehicle only) 3 10 A* Daytime Running Lamps (DRL) module, A/C clutch 4 20 A* 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 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** 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 panel 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 10 A* Alternator 24 20 A* Trailer tow running lamps and back-up lamp relays 25 — Not used 26 20 A* Trailer tow turn signals 27 10 A* 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
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Relay location Description 1 Interior lamps 2 Open 3 Roof marker lamps 4 Battery saver
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Relay location Description 1 Trailer tow left turn 2 A/C control 3 PCM back-up lamp 4 Trailer tow right turn
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Assignment of the fuses in the Passenger compartment (2005)
№ Amp Rating Passenger Compartment Fuse Panel 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, Video Cassette Player (VCP) and video screens, 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 (external 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, Rear seat video control unit, Batteiy 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
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Assignment of the fuses in the Power distribution box (2005)
№ Amp Rating Power Distribution Box Description 1 — Powertrain Control Module (PCM) diode 2 — Not used 3 10 A* Daytime Running Lamps (DRL) module, A/C clutch 4 — Not used 5 15 A* 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** 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 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 — Not used 24 20 A* Trailer tow running lamps and back-up lamp relays 25 — Not used 26 20 A* Trailer tow turn signals 27 10 A* 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
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Relay location Description 1 Interior lamps 2 Open 3 Open 4 Battery saver
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Relay location Description 1 PCM back-up lamp 2 A/C control 3 Trailer tow right turn 4 Trailer tow left turn
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Assignment of the fuses in the Passenger compartment (2006)
№ Amp Rating Passenger Compartment Fuse Panel 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 (external 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 20A Power point #1 (instrument panel) 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 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
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Assignment of the fuses in the Power distribution box (2006)
№ Amp Rating Power Distribution Box Description 1 — Powertrain Control Module (PCM) diode 2 — Auxiliary battery diode 3 15 A* Daytime Running Lamps (DRL) module, A/C clutch 4 5A* Heated PCV (4.6L and 6.8L gasoline engines) 5 15 A* 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) 11 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 panel fuses 26 and 32, Start relay 19 50A** IDM relay (diesel engine only) 19 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 10 A* Alternator field (diesel engine only) 23 20 A* CMS, HEGOS, MAF, EGR, A/C clutch relay (gasoline engine only) 24 20 A* Trailer tow running lamps and back-up lamp relays 25 — Not used 26 20 A* Trailer tow turn signals 27 10 A* 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
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Relay location Description 1 Interior lamps 2 Open 3 Open 4 Battery saver
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Relay location Description 1 PCM back-up lamp 2 A/C control 3 Trailer tow right turn 4 Trailer tow left turn
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Assignment of the fuses in the Passenger compartment (2007)
№ Amp Rating Passenger Compartment Fuse Panel 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 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 (external 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
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Assignment of the fuses in the Power distribution box (2007)
№ Amp Rating Power Distribution Box Description 1 — Powertrain Control Module (PCM) diode 2 — Auxiliary battery diode 3 15 A* Daytime Running Lamps (DRL) module, A/C clutch 4 5A* Heated PCV (4.6L and 6.8L gasoline engines) 5 15 A* 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) 11 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 panel fuses 26 and 32, Start relay 19 50A** IDM relay (diesel engine only) 19 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 10 A* Alternator field (diesel engine only) 23 20 A* CMS, HEGOS, MAF, EGR, A/C clutch relay (gasoline engine only) 24 20 A* Trailer tow running lamps and back-up lamp relays 25 — Not used 26 20 A* Trailer tow turn signals 27 10 A* 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
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Relay location Description 1 Interior lamps 2 Open 3 Open 4 Battery saver
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Relay location Description 1 PCM back-up lamp 2 A/C control 3 Trailer tow right turn 4 Trailer tow left turn
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Assignment of the fuses in the Passenger compartment (2008)
№ Amp Rating Description 1 — Not used 2 10A Remote Keyless Entry (RKE), O/D cancel, IVD module, 4W ABS 3 15A Delayed accessoiy overhead console, Audio 4 15A Courtesy lamps 5 30A Power locks without RKE or sliding door 6 10A Daytime Running Lamps (DRL) module 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 panel) 33 10A Starter relay 34 — Not used 35 — Not used 36 5A Instrument illumination 37 — Not used 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
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Assignment of the fuses in the Power distribution box (2008)
№ Amp Rating Description 1 — Powertrain Control Module (PCM) diode 2 — Auxiliary battery diode 3 15 A* Daytime Running Lamps (DRL) module, A/C clutch 4 5A* Heated PCV (4.6L and 6.8L engines) 5 15 A* 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 60A** 4-Wheel Anti-lock Brake System (4WABS) 11 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 40A** ABS/TVD 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 10 A* Alternator field (diesel engine only) 23 20 A* PCM, VMV, HEGO, MAF, EGR, (gasoline engine only) 24 20 A* Trailer tow running lamps and back-up lamp relays 25 — Not used 26 20 A* Trailer tow turn signals 27 10 A* 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
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Relay location Description 1 Interior lamps 2 Open 3 Open 4 Battery saver
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Relay location Description 1 PCM back-up lamp 2 A/C control 3 Trailer tow right turn 4 Trailer tow left turn
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