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Chrysler Pacifica Rear Side Marker Light Bulb Replacement Guide
How to change a burnt out rear side marker light bulb in a 2017, 2018 and 2019 Chrysler Pacifica minivan.

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2017 Rear Side Marker
Wheel Well Liner Screws
Loosen Counterclockwise

This automotive maintenance tutorial was specifically written to assist owners of the first generation (2017, 2018, 2019 and probably also the 2020 and 2021 model years) Chrysler Pacifica minivan in changing a burnt out rear side marker light bulb located in the back bumper cover.

Owners of other FCA (Fiat Chrysler America) vehicles from Chrysler, Dodge, Jeep, RAM or Fiat such as the Town & Country, 300, 200, Charger, Challenger, Durango, Journey, Grand Caravan, Wrangler, Grand Cherokee, Compass, Renegade, Patriot, RAM 1500, RAM ProMaster City, Fiat 500 and Fiat 124 may also find these DIY instructions to be helpful.

The compatible replacement miniature wedge base light bulb part number is 2821 (also known as W3W).

You could also use a brighter 2821 LED bulb.

The tools needed to access and replace the bulb include an 8mm socket with a 1/4" drive ratchet and a flathead screwdriver or a plastic pry bar tool.


Remove 2nd Screw
Loosen 3rd Screw
Third Screw Removed
Locate the three black metal screws that are along the rear edge of the wheel well liner near the side marker light housing.

Loosen the screws by turning them in the counterclockwise direction with an 8mm socket and a 1/4" drive ratchet or an 8mm wrench.

Three Screws Removed
Pry Out Wheel Well Liner
Rear of Light Housing
Set the three screws aside in a safe place.

Use the plastic pry bar tool to gently pull out the wheel well liner.

You can wedge the wheel well liner behind the tire to hold it in place.

Grasp Bulb Socket
1/4 Turn Counterclockwise
Remove Bulb Socket
Rotate the black plastic bulb socket 1/4 turn in the counterclockwise direction before pulling it straight out of the housing.


Pull Out Old Light Bulb
Push In New Light Bulb
1/4 Turn Clockwise - Lock
Pull the old light bulb straight out of the socket.

Push a new number 2821 light bulb straight into the socket.

If you would like to have brighter side marker lights, install some compatible 2821 LED bulbs.

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

Replace Wheel Well Liner
Replace Three Screws
Tighten Clockwise
Push the wheel well liner back into place.

Spin in the three screws a turn or two by hand in the clockwise direction.

Third Screw Replaced
Wheel Well Liner Secured
Test Side Marker Bulb
Tighten the three screws in the clockwise direction with the 8mm socket and a 1/4" drive ratchet until they are snug.

To test the new bulb, turn on the parking lights or the headlights.

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

For more, check out all of my Chrysler Pacifica Minivan DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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