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Mazda MX-5 Miata License Plate Light Bulbs Replacement Guide
How to change a burnt out license plate light bulb in a 4th generation 2016 to 2021 Mazda MX-5 Miata.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

2018 Miata License Plate
Left License Plate Light

This automotive maintenance tutorial was specifically written to assist owners of the 4th generation ND (2016, 2017, 2018, 2019, 2020 & 2021) Mazda MX-5 Miata in changing a burnt out license plate light bulb located in the rear bumper cover.

Owners of other Mazda vehicles such as the Mazda2 (Demio), Mazda3 (Axela), Mazda5, Mazda6 (Atenza), CX-3, CX-5, CX-7, CX-9, RX-8 and MPV may also find these DIY instructions to be helpful.

The compatible replacement miniature wedge base light bulb part number is 2825 (also known as W5W).

If you would like to have brighter license plate lights, install some 2825 LED bulbs.

The only tool needed to remove the light housing in order to access the sockets and replace the light bulbs is a small flathead screwdriver or a plastic pry bar tool.


Release Tab - Right Side
Pull Out Light Housing
Use the small flathead screwdriver or a plastic pry bar tool to push in the release tab on the right side of the light housing.

Gently pull the right side of the light housing out of the back bumper cover.

1/4 Turn Counterclockwise
Pull Out Old Light Bulb
Rotate the grey plastic light bulb socket 1/4 turn in the counterclockwise direction.

Pull the old light bulb straight out of the socket.

Old Light Bulb Removed
Push In New Light Bulb
Push a new number 2825 miniature wedge base light bulb straight into the socket.

If you would like to have brighter license plate lights, install some compatible replacement 2825 LED bulbs.

Tip - If you installed a LED bulbs and they don't work, you may need to remove 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 metal electrical contacts are in the correct orientation.


1/4 Turn Clockwise - Lock
Re-Insert Light Housing
Re-insert the bulb socket into the housing and rotate it 1/4 turn in the clockwise direction to secure it into place.

Line up the light housing with the opening in the rear bumper cover.

Pop In Light Housing
Light Housing Secured
Gently snap the light housing back into place.

Double check that the light housing is secure.

Test New Light Bulb
Two License Plate Lights
To test the new bulb, turn on the parking lights or headlights to activate the license plate lights. Or you can press the "Unlock" button on the key fob.

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

For more, check out all of my 2016-2021 Mazda MX-5 Miata 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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