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Mazda Mazda6 Trunk Light Bulb Replacement Guide
How to change a burnt out cargo area light bulb in the trunk of a 3rd generation 2014 to 2018 Mazda 6 sedan.

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2016 Mazda 6 Trunk Light
Pry Off Lens Cover
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2014, 2015, 2016, 2017 and 2018) Mazda Mazda6 sedan in changing a burnt out cargo area light bulb in the trunk.

Owners of other Mazda vehicles such as the Mazda2, Mazda3, Mazda5, CX-3, CX-5, CX-7, CX-9, and the MX-5 Miata may also find these DIY instructions to be helpful.

The compatible replacement sub miniature wedge base light bulb part number is 74.

You can also use a brighter LED unit.

The only tool needed to access and replace the trunk light bulb is a small flathead screwdriver or a plastic pry bar tool.

Lens Cover Removed
Old Light Bulb Exposed
Insert the blade of the small flathead screwdriver or the plastic pry bar tool in between the edge of the lens cover and the metal trunk roof panel.

Gently pry off the translucent plastic lens cover and set it aside in a safe place.

Be careful when you remove the old light bulb. If it was recently turned on, it might still be hot enough to burn your fingers.

"Toshiba A14V3W" Bulb
Empty Bulb Socket
Pull the old light bulb straight out of the socket.

The OEM bulb was marked as Toshiba part number A14V3W.

It is the same as the much more common and easy to find # 74 bulb.

You can also use a brighter compatible 74 LED unit.


Push In New # 74 Bulb
Line Up Plastic Cover
Push the new # 74 light bulb straight in to the socket.

Line up the plastic lens cover.

Pop On Lens Cover
Test New Trunk Light Bulb
Snap the lens cover back in to place.

If the new light bulb didn't illuminate as soon as you pushed it in to the socket, test it by pressing the "Unlock" button on the key fob to activate the interior lights.

For more, check out my other 2014-2018 Mazda Mazda6 DIY Repair & Maintenance Guides.

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