2019 Subaru Outback Fuse Box Diagram & Amperage Guide
Your complete guide to locating and understanding the fuse boxes in your 2019 Subaru Outback, including diagrams, amperages, and common issues.
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Quick Answer
The 2019 Subaru Outback features three main fuse box locations: under the hood (engine compartment), behind the kick panel on the driver's side of the dashboard, and in the cargo area on the passenger side.
Under-Hood Fuse Box
The under-hood fuse box, located in the engine compartment near the battery, houses fuses and relays for critical engine functions, lighting, and major electrical components. Always consult the fuse box lid for the definitive layout for your specific trim level.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 20A | Yellow | Main Headlight (Left) |
| F2 | 20A | Yellow | Main Headlight (Right) |
| F3 | 15A | Blue | Ignition Coils / System |
| F4 | 20A | Yellow | Fuel Pump |
| F5 | 10A | Red | ECM/PCM (Engine Control Module/Powertrain Control Module) |
| F6 | 15A | Blue | ABS (Anti-lock Braking System) Pump |
| F7 | 10A | Red | Starter Solenoid |
| F8 | 30A | Green | Blower Motor |
| F9 | 10A | Red | A/C Compressor Clutch |
| F10 | 15A | Blue | Horn |
| F11 | 25A | Clear | Power Windows (Front) |
| F12 | 25A | Clear | Power Windows (Rear) |
| F13 | 10A | Red | O2 Sensor |
| F14 | 10A | Red | Backup Lights |
| F15 | 15A | Blue | Washer Pump |
| F16 | 10A | Red | Daytime Running Lights (DRL) |
| F17 | 30A | Green | Power Outlet (Console) |
| F18 | 15A | Blue | Trailer Brake (if equipped) |
Relay Locations (Under-Hood):
- Fuel Pump Relay: Typically located near the fuel pump fuse, essential for supplying power to the fuel pump.
- Starter Relay: Controls the power to the starter motor solenoid.
- Headlight Relays: Separate relays for high and low beam headlights.
- A/C Compressor Relay: Activates the A/C compressor clutch.
- Blower Motor Relay: Controls the power to the blower motor for the HVAC system.
Driver's Side Dash Fuse Box
This fuse box is located behind a removable kick panel on the driver's side dashboard, typically to the left of the steering column. It controls various interior electrical components.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 10A | Red | Radio / Infotainment System |
| F2 | 7.5A | Brown | SRS Airbag System |
| F3 | 15A | Blue | Wipers (Front) |
| F4 | 10A | Red | Brake Lights |
| F5 | 10A | Red | Tail Lights (Left) |
| F6 | 10A | Red | Tail Lights (Right) |
| F7 | 15A | Blue | Cigar Lighter / 12V Outlet |
| F8 | 10A | Red | Instrument Cluster |
| F9 | 7.5A | Brown | Power Mirrors |
| F10 | 7.5A | Brown | Turn Signals |
| F11 | 10A | Red | Door Locks |
| F12 | 15A | Blue | Power Seats (Driver) |
| F13 | 10A | Red | Heated Seats (Driver) |
| F14 | 10A | Red | Heated Seats (Passenger) |
| F15 | 7.5A | Brown | Interior Lights |
| F16 | 20A | Yellow | Power Outlet (Rear) |
| F17 | 10A | Red | AWD Control System |
| F18 | 7.5A | Brown | TPMS (Tire Pressure Monitoring System) |
Cargo Area Fuse Box (Passenger Side)
This auxiliary fuse box is located in the cargo area, usually behind a trim panel on the passenger side. It often contains fuses for components specific to the rear of the vehicle or higher amperage accessories.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 20A | Yellow | Power Liftgate |
| F2 | 15A | Blue | Rear Wiper |
| F3 | 20A | Yellow | Subwoofer (if equipped) |
| F4 | 10A | Red | Rear Power Outlet |
| F5 | 30A | Green | Trailer Lights (if equipped) |
| F6 | 20A | Yellow | Rear Defogger |
How to Test a Fuse
Testing a fuse is a straightforward process and requires a simple tool: a fuse tester or a multimeter.
- Safety First: Always turn off the ignition and any affected electrical components before attempting to test or replace a fuse.
- Locate the Fuse: Identify the suspected blown fuse using the diagrams above and your vehicle's fuse box legend.
- Visual Inspection: Many fuses have a visible wire element inside. If this wire is broken or charred, the fuse is blown. However, some mini and low-profile fuses can be hard to inspect visually.
- Use a Fuse Tester: A fuse tester has one end that grounds and another probe. Touch the probe to the small metal test points on the top of the fuse. If the tester lights up on both sides, the fuse is good. If it only lights up on one side or not at all, the fuse is blown.
- Use a Multimeter: Set your multimeter to measure continuity (Ω symbol, or a diod/beep setting). With the fuse removed from its slot, touch the multimeter probes to each metal blade of the fuse. A good fuse will show very low resistance (close to 0 ohms) or the multimeter will beep, indicating continuity. A blown fuse will show an open circuit (OL or infinite resistance) and will not beep.
Common Blown Fuses on This Vehicle
While any fuse can blow under the right circumstances, some circuits are more prone to issues due to common usage or potential overload.
- Cigar Lighter / 12V Outlets: These fuses (often F7 in the dash fuse box and F17 in the under-hood for the console outlet) frequently blow due to overcurrent from charging multiple devices or using high-power accessories. If your phone charger or air compressor stops working, check these first.
- Headlight Fuses (F1, F2 Under-Hood): Headlight fuses can blow if there's an issue with a bulb (short circuit) or wiring. If one of your headlights goes out, these are the first place to look.
- Radio / Infotainment System (F1 Dash Fuse Box): Problems with the radio, such as it not turning on or losing power, can often be traced back to this fuse. Before assuming a more complex electrical issue, check its integrity.
- Blower Motor (F8 Under-Hood): If your HVAC fan stops working on all speeds, the blower motor fuse or its relay could be the culprit. Over time, a failing blower motor can draw too much current and blow the fuse.
- Trailer Brake / Trailer Lights (F18 Under-Hood, F5 Cargo Area): If you experience issues with your trailer's lights or braking system, these designated fuses are the primary suspects, especially after towing or if there's a short in the trailer's wiring.
Always remember to replace a blown fuse with a new fuse of the exact same amperage rating to prevent damage to your vehicle's electrical system.
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Before you pull a fuse on the 2019 Subaru Outback
- 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 2019 Subaru Outback
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
2019 Subaru Outback 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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