Owners of other Jeep, Dodge and RAM vehicles such as the Grand Cherokee, Compass, Renegade, Gladiator, Cherokee, Grand Wagoneer, Wagoneer, Charger, Challenger, Durango, RAM 1500, Promaster, 2500 and 3500 may also find these DIY instructions to be helpful.

This 2020 Wrangler is equipped with Micro2 style automotive fuses and standard cartridge relays.

Please check your old fuses before buying new ones. Your Wrangler might be equipped with Mini Blade Fuses or Low Profile Fuses depending on the model year, trim level or your region of the world.

There should be a yellow plastic fuse puller tool included at the left rear of the electrical block. If the fuse puller tool is missing, you could use a pair of needle nose pliers with rubber insulated handles.

The first two steps are to open the hood and move to the left (passenger) side of the engine bay.

Push in the release tab on the rear edge of the fuse box cover.

Carefully pull the cover off the top of the electrical panel.

Turn over the cover to view the fuse and relay location diagram. There is also a fuse and relay location diagram in your owner's manual.

If the tool is missing, you could use a pair of needle nose pliers with rubber insulated handles.

Place the jaws over the old fuse that you'd like to check or change.

Pull the old fuse straight out of the socket.

If the thin metal strip (or band) in the translucent plastic middle of the old fuse appears to be burnt, or broken, the old fuse is most likely "blown" and should be replaced.

If the thin metal bar in the center of the fuse appears to be intact, the old fuse is probably still in working condition.

Since new fuses are so cheap, I recommend replacing the old fuse just in case it is blown even if the metal strip appears to be intact.

Push a new Micro2 fuse of the same amperage rating (e.g. 5A, 10A, 15A, 20 amps, etc.) straight into the socket.

Double check that the new fuse is secure and fully seated in the socket.

If you'd like to add a hard wired 12V power source for any automotive accessories such as a Bluetooth audio adapter, radar & laser detector, an auxiliary gauge (turbo boost or transmission temperature), a dash camera / dashcam or a GPS navigation unit, you can install an "Add-A-Circuit" Fuse Holder Tap (also known as a piggyback fuse adapter).

Use a digital multimeter to find either a "switched" or "hot / live" circuit depending on your needs for the device. A "switched" circuit will be off when the ignition is in the "Off" position and only supply 12 volt power when the ignition is in the "On" position. A constant or "hot" / live circuit will always supply 12V power even when the truck's ignition is switched off. Be careful to not drain the 12V automotive battery if you choose a hot / live circuit that is always on.

If you suspect that a faulty relay is the cause of your problem, the easiest way to check is to simply replace the relay with a new one of the same amperage rating.

Line up the fuse box cover and push it down into place.

You should feel or hear the two retaining clips "click" securely into place.

Test the electrical component that you were having issues with such as the stereo, horn, headlights, tail lights, A/C system, power windows, interior lights, tail lights, backup camera, 120V outlet, trailer connector, power door locks, etc.

If you are still having the same electrical problem, there may be a shorted out wire or the component itself needs to be replaced.

Be sure to write down the fuse change in your SUV's service records.

For more, please check out all of my 2018-2023 Jeep Wrangler DIY Maintenance Guides.