HELP ! ! Tailights

Yacdogg

Member
I replaced all my lights with led, the turns, backup and brake lights all work, but the taillights don't illuminate. I checked fuses, and they all fine, is there a relay that it could possibly be ? if so, which relay (btw 2008 mazda3 i)
 
Have you checked voltage at your tail lights? That's where I'd start.
 
Be sure that you have the polarity correct on them. Often just flipping the contacts will result in them being illuminated

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