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.

The compatible replacement light bulb part numbers are as follows: Brake / Rear Turn Signal combination 3157K and Reverse # W21W (also known as 7440).

If you'd like to have brighter tail lights, install some 3157K LED and W21W LED units.

The only tool needed to access and replace the tail light bulbs is a Torx T30 star bit screwdriver.

The first few steps are to open the tailgate door for the cargo area and raise the back windshield window.

Move to the side of the cargo area and located the small plastic access cover for the tail light housing fastener.

Insert the blade of a flat head screwdriver into the notch on the inner edge of the access cover.

Gently pry open the access cover and set it aside in a safe place.

The white plastic screw is spring loaded, so you may need to push down while rotating it in the counterclockwise direction.

Carefully pull the tail light housing off the rear corner of the vehicle.

Slide out the red locking tab on the electrical connector to unlock it.

Push down the release tab and slide the power plug straight out of its socket.

The black plastic mounting bracket attached to the rear of the tail light housing is held in place by three Phillips head screws.

Set the three screws aside in a safe place.

Pull the black plastic mounting bracket off the rear of the tail light housing.

Rotate the bulb socket 1/4 turn in the counterclockwise direction before pulling it straight out of the assembly.

Warning: If the old light bulb was recently turned on, it might still be hot enough to burn your fingers.

Carefully pull the old bulb straight out of the socket.

Clean off the new bulb with a paper towel and some rubbing alcohol.

If there is any oil or grease on the new bulb, it might cause a hot spot and result in the bulb burning out prematurely.

If you'd like to have brighter brake / rear turn signal light bulbs, install some 3157K LED units.

Reinsert the bulb socket into the housing and rotate it 1/4 turn in the clockwise direction to secure it into place.

Rotate the bulb socket 1/4 turn in the counterclockwise direction before pulling it straight out of the housing.

Pull the old bulb straight out of the socket.

Push a new W21W bulb straight into the socket.

Clean off the new bulb with a paper towel and some rubbing alcohol to remove any grease, oil or dirt.

If you'd like to have brighter reverse light bulbs, install some W21W LED units.

Reinsert the bulb socket into the housing and rotate it 1/4 turn in the clockwise direction.

Line up the black plastic mounting bracket and lower it down into place over the back side of the housing.

Slide the electrical connector straight into its socket.

You should feel or hear the power plug "click" securely into place.

Slide the red lock tab in towards the socket to secure the connector in place.

Push the tail light housing back into place.

Reinsert the white plastic screw into the opening in the cargo area trim panel.

Snap the access cover back into place. The small notch should be closer to the center line of the vehicle.

To test the new light bulbs, have an assistant step on the brake pedal, activate the hazard signals and shift the transmission into reverse.

Note - If you installed LED bulbs and they don't work, try removing them from the socket, rotate them 180 degrees and push them back into the socket. Some LED bulbs are "polarized" and will only work when the "+" positive and "-" negative electrical contacts are in the correct orientation. If the new bulbs flash quickly (hyper flash), I'd recommend exchanging them for "error free" bulbs or "anti hyper flash" bulbs with built in resistors.

Be sure to record the bulb change in your vehicle's service records.

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