I just got a bike and I have the hot bodies undertail with the 2 round led lights.
They were working fine when I got the bike, then I drove it around and the right brake light doesnt even work anymore and the left side only a couple of bulbs glow when I brake.
Both turn signals still work and come in fine.

Any Ideas? Please help I will take any incite.

P.s. Its the undertail for the 03' CBR F4i.

 

I bet the previous owner installed it, poorly I would check the connections, if not...check and make sure the wires are all working and then you can order new LED's from HB.

 

Well I re did all the wiring and soldered the wires all together.
But its still the same so I'm guessing it's the light itself.
Unless theirs something else I can do?

 

Honestly think it's dead now. Not sure what else you can do. Try replace the lights yourself or get a new undertail.