Headlights dim when low rpms, then when reved up lights.....

Lights then get brighter when it revs up, the alternator is new so i wouldnt think it is htat, but i dunno what it is

check your voltage? sounds like the alt to me.

Originally posted by XDEep
check your voltage? sounds like the alt to me.

Yup. Also check the connections on your battery. They could be coroded or loose.

-Steve