So the other day i noticed i had no reverse lights, then the next day was backing up and they were working, now they arent working, checked the bulbs and they were fine. So my question, is there a fuse or do I got a short somewhere, also I still have brake and running lights in the back. Thanks for any help.

 

It may be the neutral safety switch.

 

thanks i will check that out.

 

or loose ground, break in wire, or dirty/corroded socket.