Dodge Ram 3500 2012 Fuse Box Info
Fuse box location:
Fuse Box Diagram | Layout
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| J1 | 40A | Trailer Tow |
| J2 | 30A | Electric Brake |
| J3 | 30A | Diesel Powertrain Control Module – If Equipped |
| J4 | 25A | Driver Door Node |
| J5 | 25A | Passenger Door Node |
| J6 | 40A | Antilock Brakes Pump/Stability Control System |
| J7 | 30A | Antilock Brakes Valve/Stability Control System |
| J8 | 40A | Power Seat |
| J10 | 30A | Sway Bar Module – If Equipped |
| J11 | 30A | Transfer Case Module |
| J12 | 30A | Rear Defroster |
| J13 | 60A | Main Ignition Off Draw (IOD) Fuse |
| J14 | 20A | Trailer Tow Lamps/ Park Lamps |
| J15 | 40A | Front Blower |
| J17 | 40A | Starter Motor Solenoid |
| J18 | 20A | Powertrain Control Module Transmission Range |
| J19 | 60A | Rad Fan Motor HI/ Rad Fan Motor Low |
| J20 | 30A | Front Wiper Ground/ Low/High |
| J21 | 20A | Washer Control |
| J22 | 25A | Sunroof Module |
| M1 | 15A | Stop Switch Lamp |
| M5 | 25A | 115V AC Inverter |
| M6 | 20A | Power Outlet (Instrument Panel or Front Console)/Rain Snsr |
| M7 | 20A | Power Outlet (Rear Console or Center Seat) |
| M8 | 20A | Front Heated Seat & Steering Wheel |
| M9 | 20A | Rear Heated Seats |
| M10 | 15A | Hands Free Module/ Vanity Lamp/ Universal Garage Door Opener Module |
| M11 | 10A | Climate Control System |
| M12 | 30A | Radio/Amplifier |
| M13 | 20A | Main #2 Instrument Cluster/Wireless Control Module/ITM/ Siren/Multifunction Switch (Steering Column Module) |
| M14 | 20A | Back Up Camera (Domestic Only) |
| M15 | 20A | Power Seat Module(s)/Audio Telematics/Daytime Running Lights Relay/Instrument Cluster/Transfer Case Module |
| M16 | 10A | Airbag Module |
| M18 | 15A | Center Stop Lamp |
| M19 | 25A | Automatic Shutdown 1 and 2 |
| M20 | 15A | Instrument Cluster Interior Lighting /Sw Steering Wheel/Sw Bank |
| M21 | 20A | Automatic Shutdown 3 |
| M22 | 10A | Horns (Low/High) – Right |
| M23 | 10A | Horns (Low/High) – Left |
| M25 | 20A | Fuel Pump Motor/ Diesel Lift Pump – If Equipped |
| M26 | 10A | Driver’s Door Switch |
| M27 | 10A | Ignition Switch |
| M28 | 15A | Powertrain Control Module |
| M29 | 10A | Tire Pressure Monitor |
| M30 | 15A | J1962 Diag Connector |
| M31 | 20A | Back-Up Lamps |
| M32 | 10A | Airbag Module |
| M33 | 10A | Powertrain Control Module |
| M34 | 10A | Park Assist Module/ Climate Control System Module/IR Sensor/Compass Module |
| M35 | 15A | Left Front & Rear Parklamps |
| M36 | 20A | Power Outlet (Instrument Panel or Center Console) |
| M37 | 10A | Antilock Brakes/ Stability Control System Module/ Stoplamp Switch |
| M38 | 25A | All Door Lock &Unlock |
