Renault Forums :: Independent Renault forum - View Single Post - braking causes front side light to come on...why?

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post #5 of (permalink) Old 17th December 2007
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Hi Ajg - the most likely cause of your problem is either corrosion or water ingress into the rear light clusters or a bad earth to one or both rear lamps. When the brake lamps light up and they can't find a decent route to earth they will use another circuit to complete their circuit - a very common problem on cars and not just renaults
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