2013 Focus brake light issue - Automotive Wiring and Electrical


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2013 Focus brake light issue

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Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical

AGbanks907
New User

May 22, 2022, 4:56 PM

Post #1 of 4 (560 views)

2013 Focus brake light issue

My girlfriends 2013 Ford Focus is having an issue with the passenger side brake light. Tail lights work on both sides, but the brake light on the passenger side does not come on when the brake pedal is used. I replaced both the driver and passenger side bulbs which did not resolve the problem.

I don’t have the vehicle in front of me right now but I assume the same fuse is used for both tail lights? I will be looking into the fuses tomorrow but I wanted to ask for any other potential issues that may be causing the problem. Thanks for your help!

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 22, 2022, 6:13 PM

Post #2 of 4 (553 views)

Re: 2013 Focus brake light issue

First make sure you changed the correct bulb. There are 3 different bulbs on each side. If the bulbs are good, then test for power arriving at the socket with a test light. If no power to light, then there is a lighting control module that could be bad or the related wiring.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

AGbanks907
New User

May 22, 2022, 6:45 PM

Post #3 of 4 (547 views)

Re: 2013 Focus brake light issue

Thanks for the reply. I know the correct bulbs were replaced so I’ll put a test light on it tomorrow to make sure it’s getting power.

I’ve read damage/corrosion to the grounding wire is a common issue. Any idea where the passenger side light is grounded and how to access it?

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 22, 2022, 7:24 PM

Post #4 of 4 (539 views)

Re: 2013 Focus brake light issue

All 3 bulbs share the same ground so if the other two work, then the ground is good.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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