Jeep Wrangler Fuse Box: Location & Guide
TL;DR
The Wrangler has an engine-bay fuse/relay box near the battery and a small interior panel on the left dash edge; always check the diagram printed on each box's lid for exact positions.
Where the Jeep Wrangler fuse boxes are located
Every modern Wrangler generation splits fuses between two locations: a larger power distribution box in the engine bay (handling high-current items like the cooling fan, starter relay, and headlights) and a smaller interior panel (handling cabin electronics like power windows, radio, and interior lights). The Wrangler does not have a rear cargo fuse box because it does not have an enclosed trunk area like a sedan or crossover.
| Generation / years | Fuse box | Location | How to access |
|---|---|---|---|
| JK (2007-2018) | Engine compartment (IPM) | Front of engine bay, next to the battery, under a black plastic cover | Unclip or unscrew the cover tabs along the edge; lid lifts straight up |
| JK (2007-2018) | Interior panel | Left end of the dashboard, driver's side, visible when the door is open | Pull the small trim cover outward; it unclips by hand, no tools needed |
| JL (2018-present) | Engine compartment (IPM) | Rear of engine bay near the firewall/battery, under a plastic cover | Release the edge clips or turn the quarter-turn fasteners, then lift the cover |
| JL (2018-present) | Interior panel | Left dash edge (driver's side), similar position to JK | Open the driver door, gently pry the cover free at the notch |
Reading the fuse legend
Do not rely on generic online fuse charts for exact amperage or slot numbers, because they vary by model year, engine, and factory options. Instead, always check the diagram molded or printed on the inside of each fuse box lid, and cross-reference it with the Fuses chapter of your owner's manual, which lists every circuit by name for your specific configuration.
Fuses that commonly cause complaints
- Cigarette lighter / 12V accessory outlet fuse: when it blows, phone chargers, dash cams, and portable air compressors plugged into the outlet stop working while everything else runs normally.
- Radio / infotainment fuse: a blown fuse here kills the touchscreen, stereo, and sometimes the backup camera feed, while climate controls keep working.
- Interior lights fuse: dome lights, map lights, and glovebox light go dark together, often traced to an aftermarket light or trailer accessory wired into that circuit.
- Blower motor fuse: the heater/AC fan stops moving air entirely (no speed works), a classic symptom distinguishing a fuse issue from a failing blower motor resistor.
- Fuel pump relay/fuse: the engine cranks but will not start or stalls immediately, since the fuel pump loses power; this circuit is checked early in a no-start diagnosis.
How to check and replace a fuse
Pull the suspect fuse straight out with the plastic fuse-puller tool usually clipped inside the fuse box lid, then hold it up to the light: a blown fuse shows a visibly broken or melted metal strip inside the clear housing. For a more certain check, use a test light or multimeter across the two prongs with the ignition on; no continuity means the fuse is blown. Replace it only with a fuse of the identical amp rating (the number stamped on top), since fitting a higher-rated fuse can allow excess current to damage wiring or components.
When a fuse keeps blowing
If a fresh fuse of the correct rating blows again within seconds or minutes, that circuit almost always has a short to ground rather than a simple fuse fault, and repeatedly swapping fuses without finding the short risks a wiring fire. In these cases, pulling stored diagnostic trouble codes with an OBD-II scan tool often narrows down which module or circuit is drawing the excess current, turning a guessing game into a targeted repair.
Summary
| Engine-bay fuse box (JK, 2007-2018) | Front of engine bay, next to battery, under clipped cover |
|---|---|
| Engine-bay fuse box (JL, 2018-present) | Rear of engine bay near firewall/battery, under quarter-turn cover |
| Interior fuse box (all generations) | Left dash edge, driver's side, visible with door open |
| Trunk/cargo fuse box | None - Wrangler has no enclosed trunk fuse panel |
| Official fuse legend location | Printed on the fuse box lid + owner's manual Fuses and Relays chapter |
| Common trouble fuse | 12V accessory outlet, radio/infotainment, interior lights, blower motor, fuel pump relay |
| Repeat blown fuse | Usually indicates a short to ground - scan for stored fault codes |
Full diagnostics
For the complete step-by-step diagnostic and repair guide, see Jeep Wrangler: Common Problems, Fault Codes & Repairs.
Frequently asked questions
Where is the interior fuse box on a Jeep Wrangler?
On both JK (2007-2018) and JL (2018-present) Wranglers, the interior fuse panel sits behind a small trim cover at the far left edge of the dashboard, on the driver's side, and becomes visible when you open the driver door; the cover unclips by hand without tools.
Why does my Jeep Wrangler cigarette lighter or 12V outlet not work?
This is almost always a blown 12V accessory outlet fuse, often caused by plugging in too many high-draw devices (air compressors, coolers) or a short in an aftermarket accessory; check the engine-bay or interior fuse box diagram to find that fuse's exact slot and replace it with the same amp rating.
Can I put a higher amp fuse in my Wrangler if it keeps blowing?
No, never install a higher-rated fuse than the original, since the fuse is sized to protect the wiring for that circuit; a fuse that blows repeatedly at the correct rating signals a short or fault in the circuit that should be diagnosed, not defeated with a bigger fuse.
Where is the Jeep Wrangler engine bay fuse box?
The engine-bay Integrated Power Module is mounted at the front of the engine compartment next to the battery on JK models (2007-2018), and near the rear firewall/battery area on JL models (2018-present), under a black plastic cover held by clips or quarter-turn fasteners; the fuse map is printed on the underside of that cover.