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It's possible that your alternator is not keeping up. Replace it and the battery. Usually when alternator fails the battery isn't too far behind. The led lights use more juice than the normal lights. Hope this helps.

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2011-09-13 17:26:36
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Q: Why would your brake lights on a 91 jeep wrangler work with the headlights off but wont brighten up more than the taillights when they are turned on I have LED round taillights and the flashers work?
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