Locate the power distribution box in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads.If the battery has been disconnected and reconnected, you will need to reset some features.
| Fuse or relay number | Fuse amp rating | Protected components |
|---|---|---|
| 1 | 5A* | Power brake assist module – Hydromax. |
| 2 | 10A* | Air conditioning compressor clutch. |
| 3 | 20A* | Catalyst monitor sensor. Engine heated exhaust gas oxygen sensor #11 and #21. Vapor management valve. |
| 4 | 5A* | Powertrain control module relay coil. Powertrain control module keep alive memory. |
| 5 | 20A* | Powertrain control module power. |
| 6 | 20A* | Instrument panel dimmer module. Park lamp feeds. Trailer tow running lamp relay coil. |
| 7 | 20A* | Ignition coils. Radio capacitors. |
| 8 | 30A* | Hydromax – Anti-lock brake system module. |
| 9 | 10A* | Powertrain control module. |
| 10 | 20A* | Daytime running lamps. |
| 11 | 20A* | Fuel pump relay coil. Powertrain control module. Fuel pump diode. |
| 12 | 25A* | Instrument panel – backup lamp feed. Trailer tow backup lamps feed. |
| 13 | 30A** | Trailer tow electric brake controller feed. |
| 14 | 60A** | Instrument panel battery feed (fuse #15, 21). Lighting primary fuse. Power distribution box fuse #19. |
| 15 | 20A** | Trailer tow park lamps. |
| 16 | 60A** | Anti-lock brake system module – Hydromax. |
| 40A** | Anti-lock brake system module – Hydroboost. | |
| 17 | 20A** | Horn feed. |
| 18 | 20A** | Backup lamp relay coil. A/C clutch coil. A/C demand switch. |
| 19 | 20A** | Brake on/off switch. Multifunction switch. |
| 20 | 30A** | Powertrain control module relay (Power distribution box fuses # 3, 5, 7, 18). |
| 21 | 20A** | Fuel injectors. Fuel pump motor. Mass air flow sensor. Powertrain control module. |
| 22 | 20A** | Cigar lighter feed. Diagnostic tool connector. |
| 23 | 40A** | Blower motor feed. |
| 24 | 50A** | Instrument panel battery feed (fuses #4, 10, 16, 22). |
| 25 | 40A** | Ignition switch feed (Instrument panel fuses #1, 5, 7, 11, 13, 14, 17, 19, 23, 36; Power distribution box fuses #9, 11). Fuse holder #2. |
| 26 | 40A** | Ignition switch feed (Instrument panel fuses #5, 11, 17, 23, 38). |
| 27 | 30A** | Headlamps. Daytime running lamps on/off relay coil. Headlamp daytime running lamp relay feed. High beam headlamps flash to pass. (Instrument panel fuses #25, 31). |
| 28 | 30A** | Starter relay feed. Starter motor solenoid. |
| 29 | 60A** | Power brake assist motor – Hydromax. Fuse holder #1. |
| 40A** | Anti-lock brake system module – Hydroboost. | |
| R1 | — | Air conditioning clutch relay. |
| R2 | — | Fuel pump relay. |
| R3 | — | Horn relay. |
| R4 | — | Starter relay. |
| R5 | — | Blower motor relay. |
| R6 | — | Powertrain control module relay. |
| Diode 1 | — | Fuel pump diode. |
| Diode 2 | — | Air conditioning clutch diode. |
*Mini fuses.**Maxi fuses.
| Fuse or relay number | Fuse amp rating | Protected components |
|---|---|---|
| F1 | 10A* | Air conditioning compressor clutch. |
| F2 | 30A* | Anti-lock brake system – Hydromax. |
| F3 | 5A* | Powertrain control module keep alive memory. Powertrain control module relay coil. |
| F4 | — | Not used. |
| F5 | 20A* | Trailer tow running lamp relay coil. Park lamp feeds. Instrument panel dimmer module. |
| F6 | — | Not used. |
| F7 | 25A* | Trailer tow backup lamp feed. Backup lamp feed. |
| F8 | — | Not used. |
| F9 | 20A* | Daytime running lamps. |
| F10 | — | Not used. |
| F11 | — | Not used. |
| F12 | — | Not used. |
| F13 | — | Not used. |
| F14 | — | Not used. |
| F15 | 5A* | Power brake assist module (Hydromax). |
| F16 | 20A* | Powertrain control module power. |
| F17 | 20A* | Catalyst monitor sensor. Engine heated exhaust gas oxygen sensor #11 and #21. Vapor management valve. |
| F18 | 20A* | Radio capacitors. Ignition coils. |
| F19 | 10A* | Powertrain control module. |
| F20 | 10A* | Hydromax module brake on/off relay feed. |
| F21 | 20A* | Powertrain control module. Fuel pump diode. Fuel pump relay coil. |
| F22 | 10A* | Brake transmission shift interlock. |
| F23 | — | Not used. |
| F24 | — | Not used. |
| J1 | 40A** | Blower motor relay feed. |
| J2 | 30A** | Headlamps. High beam headlamps flash to pass. Daytime running lamps on/off relay coil. Headlamp daytime running lamp relay feed. Instrument panel fuses #25, 31. |
| J3 | 30A** | Vehicle power. Powertrain control module relay feed. Power distribution box fuse F16, F17, F18, J22. |
| J4 | 20A** | Cigar lighter feed. Diagnostic tool connector. |
| J5 | — | Not used. |
| J6 | 30A** | Starter relay feed. Starter motor solenoid. |
| J7 | 40A** | Anti-lock brake system module (Hydroboost). |
| 60A** | Power brake assist motor (Hydromax). Power distribution box fuse #F20. | |
| J8 | 20A** | Trailer tow park lamps. |
| J9 | 50A** | Instrument panel fuse #4, 10, 16, 22. |
| J10 | 60A** | 4-channel anti-lock brake system module. |
| 40A** | 3-channel anti-lock brake system module. | |
| J11 | 20A** | Fuel pump relay feed. Fuel injectors. Mass air flow sensor. Fuel pump motor. Powertrain control module. |
| J12 | 30A** | Trailer tow electronic brake. |
| J13 | 40A** | Ignition switch feed (instrument panel fuses #1, 5, 7, 11, 13, 14, 17, 19, 23, 36). (Power distribution box fuse #F19, F22, F21). |
| J14 | — | Not used. |
| J15 | 60A** | Instrument panel battery feed (fuse #15, 21). Lighting primary fuse. |
| J16 | 20A** | Horn. |
| J17 | 40A** | Ignition switch feed (instrument panel fuses #5, 11, 17, 23, 38). |
| J18 | 20** | Brake on/off switch. Multifunction switch. |
| J19 | — | Not used. |
| J20 | — | Not used. |
| J21 | — | Not used. |
| J22 | 20A** | Reverse lamp relay coil. A/C clutch relay coil. A/C demand switch. |
| R1 | — | Horn relay. |
| R2 | — | Fuel pump relay. |
| R3 | — | Starter relay. |
| R4 | — | Backup lamps relay. |
| R5 | — | Brake on/off signal isolating relay (Hydromax). |
| R6 | — | Trailer tow parking lamps relay. |
| R7 | — | Not used. |
| R8 | — | Air conditioning clutch relay. |
| R9 | — | Not used. |
| R10 | — | Starter relay. |
| R11 | — | Blower motor relay. |
| R12 | — | Daytime running lamp/headlamp relay. |
| R13 | — | Powertrain control module relay. |
| D1 | — | Fuel pump diode. |
| D2 | — | Air conditioning clutch diode. |
| D3 | — | Not used. |
| C1 | — | Not used. |
*Mini fuses.**J-case fuse.
| Fuse or relay number | Fuse amp rating | Protected components |
|---|---|---|
| R1 | Relay | Powertrain control module. |
| R2 | Relay | Daytime running lamps. |
| R3 | Relay | Starter motor. |
| R4 | Relay | Blower motor. |
| R5 | Relay | Horn. |
| R6 | Relay | Fuel pump. |
| R7 | Relay | Starter ground. |
| R8 | Relay | Trailer tow parking lamps. |
| R9 | Relay | Backup lamps. |
| R10 | Relay | Hydromax brake on/off relay. |
| R11 | Relay | Not used. |
| R12 | Relay | Air conditioning clutch. |
| M1-1 | 10A | Hydromax brake on/off relay. |
| M1-2 | 20A | Brake on/off switch. Multifunction switch. |
| M1-3 | 5A | Power brake assist module (Hydromax). |
| M1-4 | 10A | Powertrain control module. |
| Fuse or relay number | Fuse amp rating | Protected components |
|---|---|---|
| M1 | 25A* | Backup lamp feed. Trailer tow backup lamp feed. |
| M2 | 20A* | Daytime running lamps. |
| M3 | 30A* | 4–channel anti-lock brake system module (Hydromax). |
| M4 | 20A* | Powertrain control module run/start. Fuel pump relay coil. Fuel pump diode. |
| M5 | — | Not used. |
| M6 | 20A* | Radio capacitors. Ignition coils. |
| M7 | 5A* | Backup lamp relay coil. Air conditioning clutch coil. Air conditioning demand switch. |
| M8 | 20A* | Catalyst monitor sensor. Engine heated exhaust gas oxygen sensor #11 and #21. Vapor management valve. |
| M9 | 20A* | Powertrain control module power. |
| M10 | 10A* | Air conditioning clutch. |
| M11 | 5A* | Powertrain control module relay keep alive power. Powertrain control module relay coil. |
| M12 | 20A* | Parking lamps feed. Trailer tow running lamp relay coil. |
| D1 | Diode | Not used. |
| D2 | Diode | Fuel pump. |
| D3 | Diode | Air conditioning clutch. |
| R2-1 | — | Not used. |
| J1 | 30A** | Powertrain control module relay feed (power distribution box fuse M6, M7, M8, M9). |
| J2 | 20A** | Fuel injectors. Fuel pump motor. Mass airflow sensor. Powertrain control module. |
| J3 | 20A** | Cigar lighter power point. Diagnostic connector. |
| J4 | 40A** | Blower motor. |
| J5 | 30A** | Headlamps. Daytime running lamps on/off relay coil. Headlamp daytime running lamp relay feed. High beam headlamps flash to pass. (Instrument panel fuses #25, 31). |
| J6 | 40A** | Ignition switch feeds (instrument panel fuses #F26). |
| J7 | 40A** | Instrument panel fuses #F24, F22, F20, F26, F21, F8, F6, F4, F2. Power distribution box fuses M4, M1-4. |
| J8 | 50A** | Instrument panel fuses F11, F13, F15, F17. |
| J9 | 30A** | Starter relay feed. Starter motor solenoid. |
| J10 | 60A** | Power distribution box fuse M1-1. Power brake assist motor (Hydromax). |
| J11 | 30A** | Trailer tow electronic brake. |
| J12 | 60A** | Lighting primary. Power distribution box fuse M1-2. Instrument panel fuses #F19, F5, F3. |
| J13 | — | Not used. |
| J14 | 20A** | Horn. |
| J15 | 60A** | 4–channel anti-lock brake system module. |
| J16 | 20A** | Trailer tow parking lamps. |
*Mini fuse.**J-case fuse.
Locate the module
| Relay location | Protected components |
|---|---|
| 1 | Not used. |
| 2 | Not used. |
| 3 | Not used. |
| 4 | Daytime running lamps power relay. |
| 5 | Hydromax – brake on/off signal isolating relay. |
| 6 | Reverse lamps relay. |
| 7 | Starter ground relay. |
| 8 | Trailer tow parking lamps relay. |
The fuse holder is next to the diode and relay module.
box with the power distribution box in from of the radiator.
| Fuse number | Fuse amp rating | Protected components |
|---|---|---|
| 1 | 10A | Break on/off relay feed (Hydromax module). |
| 2 | 10A | Brake transmission shift interlock. |
Locate this fuse panel below and to the left of the steering wheel near the brake pedal. Remove the panel cover to access the fuses.To remove a fuse, use the fuse panel cover’s fuse puller tool.
| Fuse or relay number | Fuse amp rating | Protected components |
|---|---|---|
| 1 | 20A* | Multi function switch. |
| 2 | — | Not used. |
| 3 | — | Not used. |
| 4 | 10A* | Instrument cluster. |
| 5 | 10A* | Body builder accessory feed (accessory and run). |
| 6 | — | Not used. |
| 7 | 15A* | Blower motor relay coil. |
| 8 | 10A* | Brake lamps feed. |
| 9 | — | Not used. |
| 10 | 10A* | Instrument cluster memory. |
| 11 | 30A* | Wiper/washer module. Wiper feed. |
| 12 | — | Not used. |
| 13 | 10A* | Anti-lock brake system module – Hydromax. |
| 14 | 10A* | Anti-lock brake system module – Hydroboost. Instrument cluster run/start. |
| 15 | 15A* | Left-hand direction indicator feed. |
| 16 | 20A* | Body builder battery (+12V) feed. |
| 17 | 5A* | Body builder radio feed. |
| 18 | — | Not used. |
| 19 | 5A* | Daytime running lamps relays. |
| 20 | — | Not used. |
| 21 | 15A* | Right-hand direction indicator feed. |
| 22 | 20A* | Trailer tow direction indicators. |
| 23 | 10A* | Cluster run/accessory. |
| 24 | — | Not used. |
| 25 | 10A* | Body builder right-hand low beam headlamp feed. |
| 26 | — | Not used. |
| 27 | — | Not used. |
| 28 | — | Not used. |
| 29 | — | Not used. |
| 30 | — | Not used. |
| 31 | 10A* | Body builder left-hand low beam headlamp feed. |
| 32 | — | Not used. |
| 33 | 10A* | Body builder reverse lamp power. |
| 34 | 10A* | Body builder reverse gear. Trailer tow reverse lamps. |
| 35 | 20A* | Body builder high beam feed. High beam indicator. |
| 36 | 10A* | Transmission control switch. |
| 37 | — | Not used. |
| 38 | 10A* | Body builder off/run. |
| 39 | — | Not used. |
| 40 | — | Not used. |
| 41 | 10A* | Instrument cluster lighting/switch illumination. |
| 42 | — | Not used. |
| 43 | — | Not used. |
| 44 | — | Not used. |
| Relay 1 | — | Trailer tow right-hand direction indicator. |
| Relay 2 | — | Trailer tow left-hand direction indicator. |
| Relay 3 | — | Right-hand direction indicator. |
| Relay 4 | — | Left-hand direction indicator. |
| Relay 5 | — | Not used. |
| Relay 6 | — | Daytime running lamps. Parking brake. |
| Relay 7 | — | Daytime running lamps on/off. |
| Diode 1 | — | Not used. |
| Diode 2 | — | Not used. |
| F1 | — | Not used. |
| F2 | — | Not used. |
| F3 | — | Not used. |
| F4 | — | Not used. |
| F5 | — | Not used. |
| F6 | — | Not used. |
| F7 | — | Not used. |
| F8 | — | Not used. |
| F9 | — | Not used. |
| F10 | — | Not used. |
| F11 | — | Not used. |
| F12 | — | Not used. |
*Mini fuse.
| Fuse or relay number | Fuse amp rating | Protected components |
|---|---|---|
| F1 | — | Not used. |
| F2 | 20A* | Multifunction switch. |
| F3 | 15A* | Left turn signal. |
| F4 | 15A* | Blower motor relay coil. |
| F5 | 15A* | Right turn signal. |
| F6 | 10A* | Anti-lock brake system module (Hydromax). |
| F7 | 10A* | Right body builder headlamp. |
| F8 | 5A* | Daytime running lamps relays. |
| F9 | 10A* | Left body builder headlamp. |
| F10 | — | Not used. |
| F11 | 10A* | Cluster battery (+12V) #1. |
| F12 | 5A* | UPS brake transmission shift interlock. |
| F13 | 10A* | Cluster battery (+12V) #2. |
| F14 | 10A* | Switch illumination. Instrument cluster lighting. |
| F15 | 20A* | Body builder battery (+12V) feed. |
| F16 | — | Not used. |
| F17 | 20A* | Trailer tow direction indicators. |
| F18 | 10A* | Body builder off/run. |
| F19 | 10A* | Brake lamp feed. |
| F20 | 10A* | Body builder run/accessory feed. |
| F21 | 10A* | Run/start. Instrument cluster. |
| F22 | 30A* | Wiper/washer module. Wiper feed. |
| F23 | 10A* | Reverse lamps. |
| F24 | 5A* | Body builder radio feed. |
| F25 | 10A* | Trailer tow reverse lamps. Body builder reverse gear. |
| F26 | 10A* | Cluster run/accessory. |
| F27 | 20A* | Body builder high beam feed. High beam indicator. |
| R1 | — | Daytime running lamps. Parking brake. |
| R2 | — | Daytime running lamps on/off. |
| R3 | — | Right-hand direction indicator. |
| R4 | — | Trailer tow right-hand direction indicator. |
| R5 | — | Left-hand direction indicator. |
| R6 | — | Trailer tow left-hand direction indicator. |
| R7 | — | Not used. |
| R8 | — | Not used. |
| R9 | — | Not used. |
| D1 | — | Not used. |
| D2 | — | Not used. |
| D3 | — | Not used. |
*Mini fuse.
2016 Ford F-53 Motorhome Owners Manual
Fuses
| Callout | Fuse Type |
|---|---|
| A | Micro 2 |
| B | Micro 3 |
| C | Maxi |
| D | Mini |
| E | M Case |
| F | J Case |
| G | J Case Low Profile |
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