Ram ProMaster 2025 Fuse Box Info
Passenger compartment fuse box location:
The fuse box A is located on the driver's side under the instrument panel.
The fuse box B is located on the interior side at the base of the passenger side B pillar.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box A:
| Fuse/Relay N° | Rating | Functions |
| 31 | 5A | INT/A |
| 33 | 7.5A | +30 TTM |
| 34 | 7.5A | Clearance Lights |
| 36 | 15A | +30 (ACM / USB Power Out / USB Recharge / TBM / RRM / DLC) |
| 37 | 7.5A | INT (IPC – DASM / AEB) |
| 38 | 15A | Central Locking |
| 42 | 5A | INT (BSM / BRAKE NC) / EPS |
| 43 | 20A | Bi-Directional Washer Pump |
| 47 | 20A | Driver Power Window |
| 48 | 20A | Passenger Power Window |
| 49 | 5A | INT (RRM / TTM / SBDU / XAN / JHC / RFX) |
| 50 | 7.5A | INT (ORC) |
| 51 | 7.5A | INT (REAR CAMERA-AUX) / HALF / DRVM/ PAM / CVPM / EMC / TCM / STM / ASS / SGW / HVAC |
| 53 | 5A | +30 (IPC) + Keyless – GO / Passive Entry / Brake NO / EPB SW |
| 94 | 15A | Not Used |
Passenger compartment fuse box B:
| Fuse/Relay N° | Rating | Functions |
| 81 | 7.5A | Seat Heater |
| 82 | 30A | Inverter Power Outlet |
| 83 | 20A | Rear Left Windows Heater |
| 84 | 20A | Rear Right Windows Heater |
| 86 | 20A | Auxiliary Switch (From Battery) – If Equipped |
| 87 | 20A | Auxiliary Switch (From Ignition) – If Equipped |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 01 | 50A | Electronic Stability Control (ESC) Pump |
| 02 |
20A (3.6 Gasoline Engine) |
Starter Relay |
| 03 |
30A |
VSIM - If Equipped |
| 04 |
50A (3.6 Gasoline Engine) |
Secondary Power Distribution Center (PDC) / Trans Power ECU / Vacuum Pump / KL30 for the Shifter Transmission Module [STM] |
| 05 |
50A (3.6 Gasoline Engine) |
EPB Valves & MOC |
| 06 |
40A (non A/C) 60A (A/C) |
Engine Cooling Fan - 2nd Speed |
| 07 | 50A | Engine Cooling Fan - 1st Speed |
| 08 | 40A | Passenger Compartment Blower |
| 09 | 15A | Rear Power Outlet |
| 10 | 15A | Horn |
| 14 | 20A | Power Outlet |
| 15 | - | Spare |
| 16 | 7.5A | KL15 ECM/ KL15 Starter Relay Coil |
| 17 | 20A | Engine Control Module (ECM) / Injectors |
| 18 | 7.5A | KL30 Engine Control Module (ECM) / KL30 Main Relay Coil |
| 19 | 7.5A | A/C Compressor - If Equipped |
| 20 | 30A | Windshield Wiper |
| 21 | 15A | Fuel Pump |
| 22 | 20A | Engine Control Module (ECM) / Ignition Coils |
| 23 | 30A | TT MOD |
| 24 | 7.5A | KL15 Vacuum Pump Relay Coil |
| 30 | 15A | Heated Mirrors |
Front PDC Additional Fuses:
The additional fuse box is located inside the front PDC Box.
| Fuse/Relay N° | Rating | Functions |
| 61 | 30A | Vacuum Pump |
| 62 | 30A | Transmission Power RELE |
| 63 | 5A | Backup Alarm |
| 64 | 10A | Heated Steering Wheel |
| 65 | 15A | Trailer Tow Mod |
| 66 | 15A | Trailer Tow Mod |
| 67 | 5A | Rear Roll Up Door - If Equipped |
| 68 | 5A | Shifter Transmission Module (STM) |
