Ford F-150 Lightning Fuse Box: What Each Fuse Does
From the 2026 Ford F-150 Lightning owner's manual. 2 fuse boxes listed.
Under hood fuse box
| Fuse | Amps | Circuit |
|---|---|---|
| 1 | 40 A | Body control module. |
| 3 | 40 A | Body control module. |
| 5 | 5 A | Primary drive control module. |
| 5 | 5 A | Secondary drive control module. |
| 6 | 25 A | Powertrain control module. |
| 7 | 20 A | Powertrain control module heater cooling pump. |
| 8 | 20 A | A/C control module. |
| 8 | 20 A | Active grille shutter. |
| 8 | 20 A | Front bumper valance motor. |
| 10 | 10 A | Electric fan relay coil. |
| 10 | 10 A | Powertrain control module. |
| 13 | 40 A | Blower motor. |
| 15 | 25 A | Horn. |
| 17 | 5 A | Charge port status indicator. |
| 21 | 10 A | Not used (spare). |
| 22 | 10 A | Electronic power assist steering module. |
| 23 | 10 A | Anti-lock brake system module. |
| 24 | 10 A | Primary drive control module. |
| 25 | 10 A | Secondary drive control module. |
| 25 | 10 A | Powertrain control module. |
| 25 | 10 A | Trailer camera module. |
| 25 | 10 A | Trailer tire pressure monitoring system. |
| 25 | 10 A | Trailer sway control. |
| 27 | 25 A | Primary drive control module fluid pump. |
| 28 | 50 A | Anti-lock brake system module. |
| 29 | 50 A | Anti-lock brake system module. |
| 30 | 40 A | Driver seat module. |
| 31 | 30 A | Passenger power seat. |
| 32 | 20 A | Power point. |
| 33 | 20 A | Not used (spare). |
| 34 | 20 A | Auxiliary power point. |
| 37 | 30 A | Power tailgate module. |
| 38 | 40 A | Climate control module. |
| 41 | 25 A | Heated rear window. |
| 42 | 30 A | Trailer brake control module. |
| 46 | 10 A | Battery charger control module. |
| 48 | 20 A | Rear heated seat module. |
| 50 | 40 A | Heated backlight. |
| 55 | 30 A | Trailer tow park lamps. |
| 56 | 20 A | Trailer tow stoplamps. |
| 58 | 10 A | Trailer tow backup lamps. |
| 67 | 25 A | Secondary drive control module fluid pump. |
| 69 | 30 A | Front wiper motor. |
| 72 | 40 A | Front trunk module. |
| 91 | 20 A | Trailer tow lighting module. |
| 95 | 15 A | Primary drive control module. |
| 96 | 20 A | Coolant pump. |
| 97 | 10 A | A/C pressure and temperature sensor. |
| 99 | 15 A | High voltage battery cooling module. |
| 99 | 15 A | Secondary drive control module. |
| 99 | 15 A | High voltage positive temperature coefficient heater. |
| 100 | 25 A | Left-hand headlamp. |
| 101 | 25 A | Right-hand headlamp. |
| 107 | 30 A | Trailer tow lighting module. |
| 116 | 10 A | Second battery charger control module. |
| 124 | 5 A | Rain sensor. |
| 125 | 10 A | USB smart charger 1. |
| 125 | 10 A | USB smart charger 2. |
| 134 | 25 A | Driver multi-contour seat. |
| 137 | 20 A | Passenger multi-contour seat. |
| 137 | 20 A | Advanced driver assistance system module. |
| 138 | 10 A | High mounted stoplamp rear video camera. |
| 138 | 10 A | Tailgate release solenoid. |
| 139 | 5 A | USB smart charger 3. |
| 146 | 15 A | Battery energy control module. |
| 159 | 5 A | Direct current/direct current converter. |
| 160 | 10 A | Smart datalink connector. |
| 168 | 15 A | Battery energy control module. |
| 169 | 20 A | Pedestrian alert. |
| 169 | 20 A | Coolant pump. |
| 170 | 20 A | High voltage battery coolant pump. |
| 181 | 5 A | Headlamp control module. |
| 190 | 5 A | Not used (spare). |
| 202 | 60 A | Body control module. |
| 210 | 30 A | Body control module. |
Fuse box (partial table)
| Fuse | Amps | Circuit |
|---|---|---|
| 10 | – | Not used. |
| 11 | – | Not used. |
| 12 | 7.5 A | Climate control module. |
| 13 | 7.5 A | Instrument cluster. |
| 13 | 7.5 A | Steering column control module. |
| 14 | 15 A | Frunk module. |
| 15 | 15 A | Integrated control module. |
| 15 | 15 A | Accessory protocol interface module. |
| 16 | – | Not used. |
| 17 | 7.5 A | Not used (spare). |
| 18 | 7.5 A | Not used (spare). |
| 19 | 5 A | Headlamp switch. |
| 19 | 5 A | Bluetooth low energy module. |
| 20 | 5 A | Start switch. |
| 21 | 5 A | Trailer brake switch. |
| 22 | 5 A | Not used (spare). |
| 23 | 30 A | Driver door control module. |
| 24 | 30 A | Moonroof. |
| 24 | 30 A | Sunshade module. |
| 25 | 20 A | Not used (spare). |
| 26 | 30 A | Passenger door control module. |
| 27 | 30 A | Not used (spare). |
| 28 | 30 A | Amplifier. |
| 29 | 15 A | Adjustable pedal switch. |
| 29 | 15 A | 12" display. |
| 29 | 15 A | 15" display. |
| 30 | 5 A | Not used (spare). |
Source: owner's manual, PDF page 447.
Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.
Confirm with your own manual, dipstick or door-jamb label.
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