Ford F-750 (2000-2003) – fuse and relay box
Diagrams of fuse and relay boxes – Ford F-750
Applies to vehicles manufactured in the years:
2000, 2001, 2002, 2003.
Diagram of the fuse box in the passenger compartment
The fuse panel is located below and to the left of the handlebar next to the brake pedal. Remove the panel cover to access the fuses.
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 20 | Horn |
| 2 | 15 | Turn / hazard lamps |
| 3 | 20 | Lighter |
| 4 | 10 | Diagnostic connectors |
| 5 | 15 | Reversing Lamps, Daytime Running Light (DRL) Relays, Door Mixer Seat Heated Module (SuperCrewzer only), Fan On / Off Clutch (SuperCrewzer only), Warning Bell Module (SuperCrewzer and Ambulance) |
| 6 | – | Not used |
| 7 | – | Not used |
| 8 | 5 | Radio, GEM |
| 9 | 5 | Switch lighting (headlight, electric windows, electric door locks), electric window relay, trailer hitch lamps (SuperCrewzer only) |
| 10 | – | Not used |
| 11 | thirty | Wiper motor, washer pump relay |
| 12 | 10 | Hydraulic brake: stop lamp switch |
| 13 | 20 | Radio, cluster, powertrain control module (PCM (7.3 l power stroke)), life support memory |
| 14 | 10 | Interior lamps, step lamps (SuperCrewzer only) |
| 15 | 10 | GEM, Interior Lamp Relay, GEM, Map Lamps, Glove Box Lights (SuperCrewzer only), Power mirrors (SuperCrewzer only), Warning Bell module (SuperCrewzer only) |
| 16 | 15 | Traffic lights |
| 17 | – | Not used |
| 18 | 5 | Headlight switch, GEM |
| 19 | 15 | Engine, cluster, powertrain control module (PCM), alternator (carriage only) |
| 20 | 15 | Starter relay, GEM |
| 21 | 10 | Daytime running lights (DRL) |
| 22 | 15 | Super CrewZer: exhaust brake, heated mirrors, rear air suspension |
| 23 | 10 | Electronic blinker |
| 24 | 15 | Vacuum pump, air dryer, ABS, fuel heater relay |
| 25 | 10 | Blower motor relay |
| 26 | 10 | Right dipped beam headlamp |
| 27 | – | Not used |
| 28 | 10 | Left-hand dipped beam headlamp |
| 29 | 10 | Cluster, GEM, Powertrain Control Module (Clutch Switch Input (7.3L Power Stroke Only)), APCM (7.3L Power Stroke Only), Overhead Console (SuperCrewzer Only), Keyless Entry Module (SuperCrewzer Only), Module Traxx (fuel) (SuperCrewzer only) |
| 30 | thirty | 7.3 L power stroke: Powertrain control module (PCM) LED, fuel heater |
| 31 | 15 | Allison MD Transmission, Neutral Start Relay and PCM (7.3L Power Stroke Only) |
| R1 | Internal lamps | |
| R2 | Not used | |
| R3 | Horn | |
| R4 | One touch down | |
| R5 | Not used | |
Diagram of the fuse box in the engine compartment
The power distribution box is located in the engine compartment. The distribution box contains high-current fuses to protect the vehicle’s main electrical systems from overload.
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 15 | Park lamps, roof lamps |
| 2 | 25 | Cummins: Powertrain Control Module (PCM) |
| 15 | Super CrewZer: Fog lamps | |
| 3 | 10 | Generator |
| 4 | 15 | Washer pump |
| 5 | 15 | Caterpillar: Air intake heater relay |
| Cummins: Powertrain Control Module (PCM) | ||
| 6 | 20 | Powertrain control module (PCM) |
| 7 | 15 | Stop lamps |
| 8 | 25 | Caterpillar: fuel heater |
| 9 | thirty | Super CrewZer: Hook Up Trailer Lamps |
| 10 | 15 | Allison AT: Shift modulator |
| 11 | 20 | Allison MD transmission, 2000/2400 Allison transmission |
| 12 | 10 | Super CrewZer: Keyless Entry module |
| 13 | 10 | Super CrewZer: Parking Brake Adjustment Module |
| 14 | – | Not used |
| 15 | 7.5 | Hydraulic brake: Preparation for building the body |
| 16 | 10 | 2001-2003: Allison 2000/2400 gearbox |
| 17 | 5 | Super CrewZer: Radio |
| 18 | – | Not used |
| 19 | – | Not used |
| 20 | – | Not used |
| 21 | 10 | Hydraulic brake: GEM |
| 22 | – | Not used |
| 23 | – | Not used |
| 24 | – | Not used |
| 101 | 40 | Air brake: Anti-lock brake system (ABS) |
| 102 | 20 | Power for the Body Builder preparation run |
| 103 | 50 | Ignition switch (fuses JB 8, 9, 11, 19, 20, 22, 23, 24, 25, 29, 30, 31) |
| 104 | 20 | Power point |
| 105 | 20 | Electric door locks |
| 106 | thirty | Headlights |
| 107 | 50 | Power supply of the junction box battery (fuses 1, 2, 3, 4, 12, 13, 14, 15) |
| 108 | 40 | Cummins fuel heater |
| 109 | 40 | Power window |
| 110 | thirty | Super CrewZer: Electric seats |
| 111 | thirty | Preparation for body building |
| 112 | 40 | Blower motor |
| 113 | thirty | Super CrewZer: heated seats |
| 114 | thirty | Super CrewZer: electric brake |
| 115 | 40 | Ignition switch (fuses JB 5, 8, 9, 11, 21) |
| 116 | thirty | Preparation for body building |
| 117 | 20 | 7.3 L power stroke: Powertrain control module (PCM) |
| 118 | thirty | 7.3 l power stroke: IDM |
| 119 | 60 | Hydraulic ABS, Trailer Fuse Block With Air Brake (2001-2003) |
| 120 | 60 | Hydromax Engine, Trailer Air Brake Fuse Block (2001-2003) |
| 201 | Washer pump relay | |
| 202 | Wiper speed relay | |
| 203 | Wiper operation / parking relay | |
| 204 | Cummins (2000): Cummins VP44 Relay | |
| 7.3 l power stroke: Neutral start relay | ||
| Caterpillar (2001-2003) / Cummins (2001-2003): Stop lamp relay | ||
| 205 | Right stop / turn relay | |
| 206 | Left stop / turn relay | |
| 207 | Caterpillar / Power step: shift modulator relay | |
| Cummins (2001-2003): Cummins VP44 relay | ||
| Super CrewZer: A / C high pressure relay | ||
| 208 | Backup lamp relay | |
| 209 | Stop lamp relay | |
| Super CrewZer: Fog lamp relay | ||
| 301 | Caterpillar / Cummins: Fuel heater relay | |
| 7.3 L power stroke: Powertrain control module (PCM) relay | ||
| 302 | Parking lamp relay | |
| 303 | Blower motor relay | |
| 304 | ABS air relay | |
| 401 | Not used | |
| 501 | Not used | |
| 502 | Not used | |
| 503 | 7.3 L power stroke: Powertrain control module (PCM) LED | |
Additional relay box
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | thirty | Trailer tow channel |
| 2 | thirty | Trailer tow parking / marker lamps |
| 3 | thirty | Trailer brake lamps |
| 4 | thirty | Turn signal lamps for trailer towing |
| 5 | – | Not used |
| R1 | Trailer tow relay | |
| Super CrewZer: Trailer connection lights relay | ||
| R2 | Trailer brake lamp relay | |
| Super CrewZer: Exhaust brake relay | ||
| R3 | Trailer tow side marker / marker lamp relay | |
| Super CrewZer: Exhaust brake relay | ||
| R4 | Trailer tow side marker / marker lamp relay | |
| R5 | Not used | |
| R6 | Not used | |
| R7 | Trailer tow left turn / stop lamp relay | |
| R8 | Trailer tow turn / stop lamp relay right | |