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Ford EcoSport Reverse Light Bulbs Replacement Guide
How to change a burnt out reverse (or back-up) light bulb in a 2nd generation 2013 to 2021 Ford EcoSport.

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2020 Ford EcoSport
Reverse Light Housing
Under Rear Bumper Cover
This automotive maintenance tutorial was specifically written to assist owners of the second generation 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 and 2021 Ford EcoSport compact SUV in changing a burnt out reverse light bulb located in the housing at the bottom of the rear bumper cover.

Owners of other Ford or Lincoln vehicles such as the Fiesta, B-Max, Escape, Edge, Bronco Sport, Explorer, Expedition, Transit, Focus, Mondeo, S-Max, Puma, Kuga, Endura, Everest, Ka, Figo, Endeavour, Aviator, Corsair, Nautilus and Navigator may also find these DIY instructions to be helpful.

The compatible replacement "bayonet" style reverse light bulb part number for this 2020 EcoSport Titanium is P21W (also known as 7506 or 1156).

If you'd like to have brighter reverse lights that will last much longer before burning out like the traditional incandescent bulbs, install some P21W LED units.

No tools are required to access and replace the reverse light bulbs.

The first two steps are to move to the side of the vehicle with the burnt out bulb and then carefully slide under the rear bumper cover.


White Plastic Bulb Socket
1/4 Turn Counterclockwise
Bulb Socket Removed
Locate the white plastic bulb socket attached to the back side of the reverse light housing near the bottom of the rear bumper cover.

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

Push Down 1/4 Turn CC
Old Light Bulb Removed
Bayonet Style Bulb
Be careful when you remove the old light bulb. If it was recently turned on, the bulb might still be hot enough to burn your fingers.

Gently push the old light bulb down into the socket and rotate it 1/4 turn in the counterclockwise direction before pulling it straight out of the socket.

The OEM (original equipment manufacturer) light bulb was marked as part number KHA 12V21W P21W 37R E11 27A.

Empty Bulb Housing
Push In, 1/4 Turn CW
1/4 Turn Clockwise - Lock
Push the new number P21W light bulb down into the socket and rotate it 1/4 turn in the clockwise direction to secure it into place.

Clean off any grease or oil from the new light bulb with a paper towel and some rubbing alcohol.

If the new incandescent bulb is dirty, it may create a hot spot and lead to a reduced lifespan.

If you would like to have brighter reverse lights, install some compatible replacement P21W 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.

Bulb Socket Secured
New Light Bulb Installed
Test New Reverse Bulb
Make sure the bulb socket is securely in place.

To test the new bulbs, have your assistant step on the brake pedal and shift the transmission into reverse.

Tip - If an LED bulb doesn't work, remove it from the socket, rotate it 180 degrees and push it 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.

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

For more, check out all of the 2013-2021 Ford EcoSport DIY Repair & Maintenance Guides.

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