Tail light ground? Front right blinker comes on with brake pedal applied.

[AudiA4b51.8]

Hi everyone,

I'm currently having an issue where the front right blinker is coming on whenever the brake pedal is applied. I checked all the fuses and they looked ok, checked bulbs, cleaned the ground location under the coolant reservoir but still having the issue. I also noticed with the lights on that the brake lights don't seem to get much brighter when the pedal is applied which makes me think it's a ground? Does anyone know where the ground for the tail lights is? I've searched but can't seem to find any posts with the same issue. Help please!


Thanks.

[reece_2212]

when you checked the bulbs did you make sure that the brake light bulbs were both dual filament?


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[AudiA4b51.8]

Just providing an update to this thread in case it will help someone else out, I double checked the brake light bulb (yes it was dual filament) but it had a little metal bur on the inside that must have been causing a short or something. It still lit up and seemed like it was working fine but I replaced it with a new one and no more blinker! Thanks.