Ford C-Max Hybrid / C-Max Energi Fuse Box: What Each Fuse Does
From the 2018 Ford C-Max Hybrid / C-Max Energi owner's manual. 3 fuse boxes listed.
Engine compartment fuse box
| Fuse | Amps | Circuit |
|---|---|---|
| F1 | 50 A | Cooling fan module. |
| F2 | 50 A | Electric water pump. |
| F3 | 50 A | Body control module supply 1. |
| F4 | 50 A | Body control module supply 2. |
| F5 | – | Not used. |
| F6 | – | Not used. |
| F7 | 40 A | Anti-lock brake system pump. |
| F8 | 30 A | Anti-lock brake system valve. |
| F9 | 40 A | Vacuum pump. |
| F10 | 40 A | Heater blower motor. |
| F11 | 30 A | Engine management. |
| F12 | – | Not used. |
| F13 | 25 A | Powertrain control module relay. |
| F14 | 20 A | Rear wiper. |
| F15 | 30 A | Body control module KL30 supply. |
| F16 | 20 A | Body control module 15 feed. |
| F17 | 20 A | Not used (spare). |
| F18 | 20 A | Front wiper motor. |
| F19 | 5 A | Anti-lock brake system. |
| F20 | 15 A | Electronic stability program module. Horn. |
| F21 | 5 A | Stop light switch. |
| F22 | 5 A | Vacuum pump monitoring. |
| F23 | 5 A | Engine control module 15. |
| F24 | 5 A | Powertrain control module 15. Transmission oil pump 15. Relay coils. |
| F25 | 10 A | Light switch module. Motor electronic cooling pump. |
| F26 | 5 A | Electronic power assist steering module 15. |
| F27 | 5 A | Mass air flow sensor. |
| F28 | 15 A | Powertrain control module. |
| F29 | 10 A | Electronic air conditioning compressor. |
| F30 | 10 A | Positive temperature coefficient heater. Engine control module. |
| F31 | 5 A | Powertrain control module. Not used (spare). |
| F32 | 20 A | Vehicle power 2. |
| F33 | 15 A | Vehicle power 4. |
| F34 | 10 A | Injectors. |
| F35 | 10 A | Vehicle power 3. |
| F36 | 20 A | Vehicle power 1. |
| R1 | – | Vacuum pump. |
| R2 | – | Horn. |
| R3 | – | Hybrid powertrain control. |
| R4 | – | Front wiper. |
| R5 | – | Vacuum pump. |
| R6 | – | Front and rear wiper high-low. |
| R7 | – | Not used. |
Passenger compartment fuse panel
| Fuse | Amps | Circuit |
|---|---|---|
| F56 | 20 A | Fuel pump supply. |
| F57 | – | Not used. |
| F58 | 5 A | Not used (spare). |
| F59 | 5 A | Passive anti-theft system. |
| F61 | 20 A | Cigar lighter. |
| F62 | 5 A | Second row power point. Autowiper module. |
| F63 | 10 A | Autodimming rear view mirror. Not used (spare). |
| F64 | – | Not used. |
| F65 | 10 A | Liftgate release. |
| F66 | 20 A | Driver door unlock supply. |
| F68 | 15 A | Not used (spare). |
| F69 | 5 A | Instrument cluster. |
| F70 | 20 A | Central lock and unlock supply. |
| F71 | 7.5 A | Climate control module. |
| F72 | 7.5 A | Steering wheel module. |
| F74 | 15 A | Headlamp supply. |
| F75 | 15 A | Fog lamp supply. |
| F76 | 10 A | Reversing lamp supply. |
| F77 | 20 A | Washer pump. |
| F78 | 5 A | Ignition switch, Start button. |
| F80 | 20 A | Not used (spare). |
| F82 | 20 A | Washer pump ground. |
| F83 | 20 A | Central locking ground. |
Luggage Compartment Fuse Panel
Location: In the luggage compartment behind the left side wheel well.
| Fuse | Amps | Circuit |
|---|---|---|
| F1 | 5 A | Hands-free liftgate entry module. |
| F2 | 10 A | Keyless vehicle module. |
| F3 | 5 A | Keyless vehicle door handles. |
| F4 | 25 A | Door control unit front left. |
| F5 | 25 A | Door control unit front right. |
| F6 | 25 A | Door control unit rear left. |
| F7 | 25 A | Door control unit rear right. |
| F8 | 25 A | Passenger seat motor. |
| F9 | 25 A | Driver seat motor. |
| F10 | 25 A | Heated rear window. |
| F11 | 5 A | Ignition relay. |
| F12 | 15 A | Battery electronics control module. |
| F13 | – | Not used. |
| F14 | 10 A | Not used (spare). |
| F15 | – | Not used. |
| F16 | – | Not used. |
| F17 | 10 A | Battery electronics control module. |
| F18 | 15 A | Battery electronics control module — fan. |
| F19 | 15 A | Not used (spare). |
| F20 | – | Not used. |
| F21 | 15 A | Smart datalink connector. |
| F22 | 10 A | Active noise cancellation. |
| F23 | – | Not used. |
| F24 | 30 A | DC/AC power converter. |
| F25 | 25 A | Power liftgate. |
| F26 | 40 A | Not used (spare). |
| F27 | 20 A | Luggage compartment outlet. |
| F28 | – | Not used. |
| F29 | 5 A | Blind spot detection. |
| F30 | 5 A | Parking aid module. |
| F31 | 5 A | Rear view camera. |
| F32 | 5 A | DC/AC power converter. |
| F33 | – | Not used. |
| F34 | 20 A | Driver seat heater. |
| F35 | 20 A | Passenger seat heater. |
| F36 | – | Not used. |
| F37 | 20 A | Power sun shade. |
| F38 | – | Not used. |
| F39 | – | Not used. |
| F40 | – | Not used. |
| F41 | – | Not used. |
| F42 | – | Not used. |
| F43 | – | Not used. |
| F44 | – | Not used. |
| F45 | – | Not used. |
| R1 | – | Heated rear window. |
| R2 | – | Not used (spare). |
| R3 | – | Not used (spare). |
| R4 | – | Not used. |
| R5 | – | Not used. |
| R6 | – | Rear wiper. |
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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