Passenger side back-up light out

[Joedetroit84]

I have a 2000 Tiffin Allegro. The passenger side back-up light went out. I started by replacing the bulb but it still does not work. I checked to see if there was power to the socket and there is none. So at this point, what could be the cause of the loss of power to this particular socket and where do I start looking to repair it. Thanks for the help.

 

[darsben]

If the other one works and when you tested you are SURE you had a good ground then I would suspect a bad wire. My solution if you cannot find the bad spot would be to run a cheater wire from the good side to the bad side and convert the lights to LED

 

[grashley]

When you checked for power at the socket, did you use the ground in the socket or did you go to a known good ground (frame or chassis)?  If the first, test the second method.  It could be as simple as a bad socket ground.  Cheapest and easiest to fix as well.