2025 Honda Odyssey: Fuse Box Diagram & Amperage
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Quick answer
Your 2025 Honda Odyssey has three main fuse box locations:
- Under-hood fuse box: Located in the engine bay, near the battery on the driver's side.
- Driver's side interior fuse box: Located under the dashboard, near the driver's side kick panel.
- Passenger's side interior fuse box: Located under the dashboard, by the passenger's side kick panel.
Under-Hood Fuse Box
The under-hood fuse box contains high-amperage fuses and relays that protect major electrical components.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| 1 | 100A | - | Main Fuse |
| 2 | 50A | - | Ignition Switch |
| 3 | 40A | - | Blower Motor |
| 4 | 40A | - | ABS/VSA Motor |
| 5 | 30A | - | Main Fan Motor |
| 6 | 30A | - | Sub Fan Motor |
| 7 | 20A | Blue | FI Main (ECM/PCM) |
| 8 | 15A | Blue | Fuel Pump |
| 9 | 15A | Blue | Horn |
| 10 | 10A | Red | Right Headlight (Low Beam) |
| 11 | 10A | Red | Left Headlight (Low Beam) |
| 12 | 10A | Red | Right Headlight (High Beam) |
| 13 | 10A | Red | Left Headlight (High Beam) |
| 14 | 10A | Red | Taillights/Parking Lights |
| 15 | 20A | Yellow | Starter Motor Relay |
| 16 | 15A | Blue | A/C Clutch Relay |
| R1 | - | - | FI Main Relay (PGM-FI) |
| R2 | - | - | Fan Control Relay |
| R3 | - | - | A/C Clutch Relay |
| R4 | - | - | Starter Relay |
Driver's Side Interior Fuse Box
This fuse box is located under the driver's side of the dashboard, often requiring the removal of a small trim panel for access. It handles many of the interior and driver-operated circuits.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| 1 | 7.5A | Brown | Interior Lights |
| 2 | 10A | Red | Power Door Locks |
| 3 | 20A | Yellow | Driver Power Window |
| 4 | 20A | Yellow | Sunroof |
| 5 | 10A | Red | Brake Lights |
| 6 | 15A | Blue | 12V Power Outlet (Front) |
| 7 | 10A | Red | SRS Airbag System |
| 8 | 7.5A | Brown | Steering Wheel Controls |
| 9 | 10A | Red | Meter (Instrument Cluster) |
| 10 | 15A | Blue | Ignition Coils |
Passenger's Side Interior Fuse Box
Similar to the driver's side, this fuse box is found behind a kick panel on the passenger side and manages passenger-side and additional accessory circuits.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| 1 | 20A | Yellow | Audio System/Infotainment |
| 2 | 15A | Blue | 12V Power Outlet (Center Console) |
| 3 | 20A | Yellow | Passenger Power Window |
| 4 | 10A | Red | Heated Mirrors |
| 5 | 15A | Blue | 12V Power Outlet (Rear) |
| 6 | 30A | Green | Trailer Brake Controller |
| 7 | 7.5A | Brown | Accessory |
Note: Fuse numbers, amperage, and protected circuits can vary by trim level and installed options. Always confirm by checking the diagram printed on the inside of the fuse box cover in your vehicle.
How to test a fuse
A blown fuse is a common and usually easy-to-fix problem. Here's how to check if a fuse is bad:
- Turn off the ignition and all electrical accessories.
- Locate the suspect fuse box and remove the cover.
- Identify the fuse in question using the diagram on the cover.
- Remove the fuse. A small fuse puller tool is often included in the fuse box.
- Visually inspect the fuse. A good fuse has an intact, unbroken metal strip inside. If the strip is broken or melted, the fuse is blown.
- Use a multimeter (optional but recommended). Set your multimeter to the continuity setting. Touch the probes to each of the fuse's metal tabs. If the multimeter beeps or shows a reading of zero ohms, the fuse is good. If it doesn't, the fuse is blown and has no continuity.
Common blown fuses on this vehicle
- 12V Power Outlet / Cigar Lighter: This is one of the most common fuses to blow, often due to a faulty phone charger or other plugged-in device. If an outlet stops working, this fuse is the first thing to check. Unplug any devices before replacing the fuse.
- Audio/Infotainment: If your radio or touchscreen suddenly goes black, the fuse is a likely culprit. This can sometimes happen after jump-starting the vehicle or installing a new battery.
- Headlights: If one of your headlights goes out, it could be the bulb, but a blown fuse is also a possibility. If replacing the bulb doesn't work, check both the low and high beam fuses for that side of the vehicle before assuming a wiring issue.
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Before you pull a fuse on the 2025 Honda Odyssey
- 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 2025 Honda Odyssey
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
2025 Honda Odyssey 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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