2014 Ram 3500 Fuse Box Diagram & Amperage
Complete guide to all fuse box locations, amperage, and circuit protection on your 2014 Ram 3500.
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Quick answer:
The 2014 Ram 3500 has three main fuse box locations:
- Under-hood: Located in the engine compartment, typically on the driver's side near the battery.
- Instrument Panel (Dash): On the driver's side, behind a cover on the kick panel.
- Rear (Body Control Module/BCM): Located behind the passenger seat, under the trim panel, or sometimes in the glove box on specific trims (verify your owner's manual).
Under-hood Fuse Box (Power Distribution Center - PDC)
The Power Distribution Center (PDC) under the hood contains high-current fuses and relays for major electrical components. Always disconnect the battery before servicing fuses or relays in the PDC.
Note: Fuse locations and amperage can vary slightly based on trim, engine, and installed options. Always refer to the fuse legend inside the PDC cover for the most accurate information.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F01 | 20A | Yellow | ABS Pump Motor |
| F02 | 20A | Yellow | Trailer Tow Battery Charge |
| F03 | 30A | Green | Blower Motor |
| F04 | 40A | Green | Starter Solenoid |
| F05 | 60A | Blue | ABS Valve Solenoid |
| F06 | 30A | Green | Ignition Run/Acc |
| F07 | 10A | Red | ECM (Powertrain Control Module) |
| F08 | 20A | Yellow | Fuel Pump Relay Control |
| F09 | 10A | Red | A/C Clutch Relay |
| F10 | 15A | Blue | Headlights (Low Beam - Left) |
| F11 | 15A | Blue | Headlights (Low Beam - Right) |
| F12 | 10A | Red | Headlights (High Beam - Left) |
| F13 | 10A | Red | Headlights (High Beam - Right) |
| F14 | 10A | Red | Park Lamps / Tail Lamps |
| F15 | 20A | Yellow | Trailer Brake Control (Module Power) |
| F16 | 30A | Green | Trailer Tow Lamps |
| F17 | 30A | Green | Powertrain Control Module (PCM/ECM) Main Power |
| F18 | 10A | Red | Oxygen Sensors / Emission Components |
| F19 | 15A | Blue | Horn |
| F20 | 10A | Red | Interior Lighting / Dome |
| F21 | 20A | Yellow | Wiper Motor (Run/Park) |
| F22 | 10A | Red | Transmission Control Module (TCM) |
| F23 | 15A | Blue | HVAC Control Module |
| F24 | 25A | Clear | Amplifier (Premium Audio) |
| F25 | 40A | Green | Alternator Field Control |
| F26 | 10A | Red | ODB-II Connector |
Under-hood Relay Locations (PDC)
Note: Relays may be labeled R1, R2, etc., or by their function on the PDC lid.
| Relay Function | Location (Typical) |
|---|---|
| Starter Relay | R1 |
| Fuel Pump Relay | R2 |
| A/C MUX Relay | R3 |
| Run/Accessory Relay | R4 |
| ABS Pump Relay | R5 |
| Trailer Tow Park Lamp | R6 |
| Trailer Tow Stop/Turn | R7 |
| Horn Relay | R8 |
| Blower Motor Relay | R9 |
| Headlamp Low Beam | R10 |
| Headlamp High Beam | R11 |
| ECM/PCM Main Relay | R12 |
Instrument Panel Fuse Box (Driver's Side Kick Panel)
The instrument panel fuse box, located on the driver's side kick panel (behind a removable cover), handles fuses for interior accessories, lighting, and various control modules. You may need to gently pry off the access panel to expose the fuses.
Note: Fuse locations and amperage can vary slightly based on trim and installed options. Always refer to the fuse legend printed on the panel or in your owner's manual for the most accurate information.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F30 | 10A | Red | Radio / Infotainment System |
| F31 | 20A | Yellow | Power Outlet 1 (Cigar Lighter) |
| F32 | 20A | Yellow | Power Outlet 2 (Auxiliary) |
| F33 | 15A | Blue | Instrument Cluster / Gauges |
| F34 | 10A | Red | Airbag Control Module (ORC) |
| F35 | 10A | Red | Brake Lamp Switch |
| F36 | 15A | Blue | Wiper Motor (Washers) |
| F37 | 10A | Red | HVAC Control |
| F38 | 5A | Tan | Driver Window Switch |
| F39 | 5A | Tan | Passenger Window Switch |
| F40 | 15A | Blue | Door Locks |
| F41 | 10A | Red | Interior Lamps (Map, Courtesy) |
| F42 | 10A | Red | Sunroof (if equipped) |
| F43 | 5A | Tan | Heated Seats (if equipped) |
| F44 | 10A | Red | Heated Steering Wheel (if equipped) |
| F45 | 15A | Blue | Security Alarm |
| F46 | 10A | Red | Electronic Shift on the Fly (ESOF) |
| F47 | 5A | Tan | Mirror Defrost |
| F48 | 10A | Red | Power Adjustable Pedals (if equipped) |
Rear Fuse Box (Body Control Module - BCM)
The rear fuse box, which is often integrated with the Body Control Module (BCM), manages various body electrical functions, rear lighting, and accessories. Its location can sometimes vary slightly by cab style or trim. Common locations include behind the passenger rear seat, under the trim panel, or in certain configurations, within a compartment in the glove box or center console. Always consult your owner's manual for the precise location for your specific truck.
Note: This table represents common circuits. Always check your vehicle's specific fuse diagram for exact details.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| BCM F1 | 10A | Red | Tail Lamps (Right) |
| BCM F2 | 10A | Red | Tail Lamps (Left) |
| BCM F3 | 10A | Red | Backup Lamps |
| BCM F4 | 20A | Yellow | Trailer Tow Back-up Lamp Feed |
| BCM F5 | 10A | Red | Rear Power Window |
| BCM F6 | 15A | Blue | Rear HVAC (if equipped) |
| BCM F7 | 20A | Yellow | Power Inverter (if equipped) |
| BCM F8 | 15A | Blue | Tonneau Cover / Bed Lighting (if equipped) |
| BCM F9 | 10A | Red | Rear Defrost |
| BCM F10 | 10A | Red | Cargo Lamp / Third Brake Light |
How to test a fuse
Testing a fuse is a straightforward process:
- Safety First: Always turn off the ignition and remove the key. If testing an under-hood fuse, disconnect the negative battery terminal, especially for high-amp fuses.
- Locate the Fuse: Identify the suspected fuse using your vehicle's fuse diagram.
- Visual Inspection: Pull the fuse straight out. Most modern fuses are transparent, allowing you to see if the metal wire inside is broken or melted. If it's broken, the fuse is blown.
- Use a Multimeter: For non-transparent fuses or a more accurate test:
- Set your multimeter to the continuity setting (often indicated by a speaker icon).
- Touch the probes to the two metal test points on top of the fuse.
- If the multimeter beeps or shows a reading close to zero ohms, the fuse is good. If there's no beep or an
Before you pull a fuse on the 2014 Ram 3500
- Use the label printed on the panel cover or the owner's manual for your exact build. Layouts change with options, model year and build date, so a chart for another truck can be wrong.
- Replace a blown fuse only with the same amp rating. A larger fuse can let wiring overheat.
- A fuse that blows again right away means a short or failing component downstream. Find the cause before replacing it again.
- A good fuse doesn't prove the circuit works — relays, grounds and connectors fail too.
- Disconnect the battery before working near high-current fuses or cables.
Learn more: How fuses, relays and truck electrical systems work
More specs for the 2014 Ram 3500
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2014 Ram 3500 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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