Ford F-350 (1987-1991) – fuse and relay box
Diagrams of fuse and relay boxes – Ford F-350
Applies to vehicles manufactured in the years:
Diagram of the fuse box in the passenger compartment
| Number | Amperes [A] | Description |
|---|---|---|
| 1 | 15 | Stop lights, hazard lights, speed control |
| 2 | 7 | Circuit Switch: Windshield Wiper Motor |
| 3 | – | – |
| 4 | 15 | Main light switch, exterior lights, instrument panel lighting |
| 5 | 15 | Turn signals, reverse lights, overdrive gearbox, roof map lighting |
| 6 | 15 | Speed Control, Accessories & 4WD, Auxiliary Battery Control, Digital Timer, Rear Window Defogger, Feedback Carburetor Control (4.9L), Windshield Wiper Switch, Electronic Shift Control, Rear Anti-lock Brakes |
| 7 | – | – |
| 8 | 15 | Lights courtesy, dome lights, cargo light, glove box lighting, warning buzzer, radio |
| 9 | thirty | Air conditioning heater or heater |
| 10 | 5 | Instrument lighting (radio, instrument cluster, wiper and washer switch, overdrive switch, 4WD shift switch, air conditioning heater control, rear window defogger, ashtray, cigarette lighter), main light switch, clock dimming, radio display dimming |
| 20 | Rear anti-lock brakes | |
| 11 | 15 | Radio and clock illumination, headlight switch illumination |
| 10 | Radio | |
| 12 | thirty | Circuit breaker: power door locks |
| 25 | Transfer box control | |
| 25 | Electric tailgate window, electric mirrors | |
| 13 | 5 | Instrument panel lighting |
| 14 | thirty | Circuit breaker: Power windows |
| 25 | Tailgate Power Window | |
| 15 | 10 | Extra fuel tank, switch |
| 16 | thirty | Horn relay (with cruise control), horn relay jumper (without cruise control), cigarette lighter, speed control, ashtray lighting |
| 20 | Horn, lighter | |
| 10 | Horn | |
| 17 | 5 | Instrument illumination, dimming clock and radio display |
| 20 | Rear anti-lock brakes | |
| 18 | 15 | Cluster, seat belt buzzer, warning indicators, tachometer, glow plug check for diesel engines (6.9L, 7.3L), diesel gauges (6.9L, 7.3L), electronic engine control (EEC) , carburetor circuits, choke heater, fuel pump electric control (7.5L), dual diode brake warning resistor, low vacuum warning switch (6.9L, 7.3L) |