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Ford Fiesta Mirror Side Marker Bulb Replacement Guide
How to change a burnt out side marker turn signal light bulb in the side view mirror of a 2009 to 2015 Ford Fiesta.

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2013 Fiesta Side View Mirror
Move Power Mirror In
Black Plastic Retaining Tab
This automotive maintenance tutorial was specifically written to assist owners of the sixth generation (2009, 2010, 2011, 2012, 2013, 2014, 2015 and possibly also the 2016 model year) Ford Fiesta sedan or hatchback in changing a burnt out side marker turn signal light bulb located in the side view mirror housing.

Owners of other Ford or Lincoln vehicles such as the Focus, Fusion, C-Max, Mustang, Escape, Transit Connect, Edge, Flex, Explorer, Expedition, Taurus, F-150, EcoSport, MKC, MKZ, MKS, MKX, MKT and the Navigator may also find these DIY instructions to be helpful.

A replacement amber colored side view mirror signal bulb is either # WY5W, 194NA or 2827.

The tools needed for this procedure include a flathead screwdriver, a pair of needle nose pliers and possibly also a plastic automotive panel removal pry bar tool.

Pry Out Bottom of Tab
Pull Out Tab With Pliers
Loosen Plastic Cover
Warning! If you aren't careful, you might break your mirror or crack the painted plastic mirror housing cover.

The first step is to move the power window switch until the mirror is pointed towards the car as much as possible.

Then locate the small rectangular black plastic lock tab located behind the top outer corner of the mirror.

There is a small metal bar just below the black plastic lock tab.

Use a small flathead screwdriver to carefully pry up the bottom edge of the locking tab.

Then use a pair of needle nose pliers to carefully pull the black plastic locking tab out of its socket.

Wiggle the painted plastic mirror housing cover to loosen it.

Pry Off Mirror Cover
Plastic Cover Removed
Retaining Clips
If necessary, use a plastic automotive panel tool to gently pry the painted cover at the edge just in front of the black plastic trim that surrounds the outer edge of the mirror.

Pull the plastic cover off and set it aside in a safe place.

I had a hard time removing the plastic cover and caused some minor damage to the retaining clips.

Power Mirror & Light Housing
Plastic Wedge
Visible Part of Wedge
In the pictures above, you'll see the small black plastic wedge that acts as a locking tab for the plastic cover's retaining clip.


Side Marker Bulb Housing
Bulb Housing Removed
Pull Out Rubber Bulb Socket
Now you will easily be able to access the side marker bulb housing.

Pull the rubber bulb socket straight out of the housing.

Pull Out Old Bulb
Push In New # WY5W
Re-Insert Bulb Socket
Pull the old bulb straight out of the socket and push in a new amber colored # WY5W or 194NA bulb.

(There are also LED bulb options available which should last much longer than a traditional incandescent bulb.)

Push the rubber bulb socket back in to the housing.

Bulb Socket Secured
Line Up Plastic Tabs
Bulb Housing Replaced
If you removed the side marker light housing, line up the plastic tabs and lower it back in to on the mirror assembly.
Line Up Painted Cover
Retaining Clips & Slots
Plastic Tabs & Slots
Line up the retaining clips and tabs on the painted mirror cover with their corresponding slots.
Push Tabs In Place
Mirror Cover Replaced
Red Retaining Clip
Carefully push the painted mirror cover back in to place.
Black Plastic Locking Tab
Lock Tab Re-Inserted
Test New Side Marker Bulb
Grasp the thick end of the locking tab or "wedge" with a pair of needle nose pliers.

Push the lock tab back in to place behind the top outer edge of the mirror.

Test the new side marker light bulb by activating the hazard signals.

For more, check out my other 2009-2015 Ford Fiesta DIY Repair & Maintenance Guides.

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