2016 Ram ProMaster Fuse Box Diagram & Amperage Guide
Complete fuse box locations, circuit diagrams, and amperage ratings for the 2016 Ram ProMaster commercial van.
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
Working on this 2016 Ram ProMaster? Run just this one job through Repairius.
No big switch. Write the estimate, text it for approval, and get paid on your phone. Keep everything else the way it is.
14-day free trial · credit card required · cancel anytime
As an ASE-certified master technician, I’ve spent plenty of time tracing electrical gremlins on commercial vans. The 2016 Ram ProMaster (based heavily on the Fiat Ducato platform) is a popular workhorse for tradespeople, delivery fleets, and camper conversions. When a critical component like your 12V power outlet, radio, headlights, or fuel pump stops working, checking the fuses is always step one.
Below is a comprehensive guide to the fuse box locations, amperage ratings, and circuit diagrams for the 2016 Ram ProMaster. Note: Exact configurations can vary slightly depending on whether your van is a 1500, 2500, or 3500, its engine (3.6L Pentastar V6 or 3.0L EcoDiesel), and upfitter packages. Always verify with the printed legend on the inside of your fuse box lid before replacing a fuse.
Quick answer
The 2016 Ram ProMaster features three primary fuse box locations:
- Under-Hood (Engine Compartment) Fuse Box: Located on the passenger side of the engine bay, near the firewall.
- Dashboard (Instrument Panel) Fuse Box: Located on the driver side lower dashboard, behind a removable trim cover panel held by a couple of screws.
- Right B-Pillar / Passenger Compartment (Upfitter) Fuse Box: Located at the base of the right-side B-pillar (passenger side, just behind the front door). This primarily handles upfitter auxiliary outputs and trailer towing features.
Under-Hood (Engine Compartment) Fuse Box
This power distribution center houses high-amperage fuses, relays, and circuits for heavy-draw components like the ABS, engine control module (ECM/PCM), starter, and cooling fans.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F01 | 60A | Blue (Maxi) | ABS Pump Motor |
| F02 | 50A | Red (Maxi) | ABS Valves |
| F03 | 30A | Green (Maxi) | Ignition Switch / Starter Relay |
| F06 | 40A | Orange (Maxi) | Radiator Cooling Fan (Low Speed) |
| F07 | 60A | Blue (Maxi) | Radiator Cooling Fan (High Speed) |
| F08 | 40A | Orange (Maxi) | HVAC Blower Motor |
| F09 | 20A | Yellow | Engine Control Module (ECM) / PCM |
| F10 | 15A | Blue | Horn |
| F11 | 10A | Red | Fuel Injection System / O2 Sensors |
| F14 | 15A | Blue | High Beam Headlights |
| F15 | 15A | Blue | 12V Power Outlet (Cargo Area) |
| F16 | 10A | Red | Engine Control Module (ECM) Power |
| F17 | 15A | Blue | ECM / Ignition Coils |
| F18 | 10A | Red | AC Compressor Clutch |
| F20 | 30A | Green | Heated Rear Window (if equipped) |
| F21 | 15A | Blue | Fuel Pump Motor |
| F22 | 20A | Yellow | Engine Control Module (Primary) |
| F24 | 10A | Red | Power Steering / Body Control |
| F30 | 20A | Yellow | Fog Lights |
Note: Relays for the Starter, Fuel Pump, A/C Clutch, and Cooling Fans are also located in this under-hood box. If a fuse is good but the component is dead, swap the relay with a known good one of the same part number to test.
Dashboard (Instrument Panel) Fuse Box
Located on the driver’s side under the steering column area. Remove the protective cover to access these fuses. This box controls most interior electronics, safety modules, and cabin convenience features.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F32 | 10A | Red | Interior Dome Lights / Cargo Lights |
| F36 | 15A | Blue | Radio / Uconnect Infotainment System |
| F37 | 10A | Red | Brake Light Switch / Instrument Cluster |
| F38 | 20A | Yellow | Power Door Locks / Central Locking |
| F42 | 5A | Tan | Brake Control Module / ABS Wake-up |
| F43 | 30A | Green | Windshield Wiper Motor |
| F44 | 20A | Yellow | Cigar Lighter / Front 12V Power Outlet |
| F47 | 20A | Yellow | Power Windows (Driver) |
| F48 | 20A | Yellow | Power Windows (Passenger) |
| F49 | 5A | Tan | Airbag Module (SRS) / Parking Sensor |
| F50 | 7.5A | Brown | ABS / ESC Module |
| F51 | 5A | Tan | License Plate Lights / Climate Control Panel |
| F53 | 5A | Tan | Instrument Panel Cluster |
Right B-Pillar (Upfitter / Aux) Fuse Box
Because the ProMaster is a commercial vehicle, Ram includes a specialized block on the passenger side B-pillar to handle upfitter modifications and trailer wiring.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F71 | 20A | Yellow | Upfitter Auxiliary Power (Battery Hot) |
| F72 | 20A | Yellow | Upfitter Auxiliary Power (Ignition Hot) |
| F73 | 15A | Blue | Trailer Tail Lights / Park Lights |
| F74 | 15A | Blue | Trailer Right Turn Signal / Brake |
| F75 | 15A | Blue | Trailer Left Turn Signal / Brake |
| F76 | 20A | Yellow | Trailer Brake Controller Power |
How to test a fuse
When tracking down an electrical issue, never assume a fuse is good just by glancing at it. Visual inspections can miss hairline fractures in the fuse filament. Here is the ASE-approved way to test:
- Grab a Digital Multimeter or 12V Test Light.
- Turn the Ignition ON (engine off). This ensures power is flowing to the ignition-hot circuits.
- Probe the Test Points. Look at the top of the blade fuse; you will see two tiny metal tabs exposed. Touch your test light or multimeter leads to these tabs.
- Read the Results.
- With a test light: The light should illuminate on both tabs. If it lights up on one side but not the other, the fuse is blown.
- With a multimeter (set to DC Volts): Ground the black lead. Touch the red lead to each tab. You should see ~12V on both sides. If you see 12V on one side and 0V on the other, replace the fuse.
Common blown fuses on this vehicle
As a master technician, I see certain fuses blow on the 2016 Ram ProMaster more often than others:
- F44 (20A Yellow - Cigar Lighter / 12V Outlet): Tradespeople plug power inverters, phone chargers, and heavy-draw accessories into the dash outlets. If your charger stops working, check F44 first. Be sure to check the accessory cord for a short before replacing the fuse.
- F32 (10A Red - Cargo Lights): If your ProMaster is a work van, gear shifting in the back often hits or damages the overhead cargo lights, causing a short to ground. If you lose interior lighting, check F32 and inspect the rear lamp housings for damage.
- F73, F74, F75 (Trailer Fuses): Utility trailers are notorious for bad wiring. If you hook up to a trailer and suddenly lose your trailer lights, check the B-pillar fuses. Always inspect the trailer plug for corrosion or frayed wires before putting a new fuse in.
- F36 (15A Blue - Radio): Sometimes the Uconnect system will freeze or glitch. Pulling F36 for 60 seconds to perform a hard reset is a common trick, but occasionally this fuse will blow if the unit overheats.
If you keep blowing the same fuse, do not put a larger amperage fuse in its place! This is a severe fire hazard and can melt your wiring harness. Repeatedly blowing a fuse means you have a short circuit that requires diagnosis.
Find a trusted shop on Repairius.
Before you pull a fuse on the 2016 Ram ProMaster
- 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 2016 Ram ProMaster
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
2016 Ram ProMaster Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
Browse by make
Running an auto or diesel repair shop?
Compare Repairius to the shop software you're paying for
$99.99/month (first location included), unlimited users, 14-day free trial.