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Cadenza 2014 3rd brake LED light stopped working

194 Views 5 Replies 3 Participants Last post by  DreckTL
Hi, my 2014 Cadenza 3rd brake LED light (fixed on the back window) stopped working suddenly. I have checked the fuse box but all are good.
Does anyone face this problem before?
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Haven't heard of it being common. I would suspect the 3rd brake light itself went out. You could try to confirm with a multimeter and seeing if voltage is getting to the connector to the 3rd brakelight when the brakes are pressed. If it is, most likely the entire module would need to be replaced. Diagram below:

Some Headliner Diagrams - probably don't need to take the whole thing off, but will be awkward to work on






Haven't heard of it being common. I would suspect the 3rd brake light itself went out. You could try to confirm with a multimeter and seeing if voltage is getting to the connector to the 3rd brakelight when the brakes are pressed. If it is, most likely the entire module would need to be replaced. Diagram below:

Dear Yooshaw,
Let me thank you for the detailed explanation.
The battery was removed for some maintenance work, after returning it, the light stopped working. I do not have much information about electrical work, do you think it would be better for an electrician to have a look at it? or it can be done by myself!
If you're unsure how to use a multimeter, then I would take it to an auto shop. You could chance it and replace the 3rd brakelight, but that may not end up fixing it if the problem lies elsewhere.
Maybe take it to the shop that did the maintenance.
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