Turn signal not working.

Any idea why my right turn signal might not be working when my light DOES still function as a brake light and running light?   I just picked it up today to take on an adventure, and my van is giving me the quickie turn signal indicator that usually means a light is out, but the light is definitely still working.

My first thought is that it has something to do with the new hitch wiring I put in today, but the seven prongs are checking out fine with my circuit tester.

Running light is a separate circuit.  Brake light is the same circuit (on the camper side) as the turn signal, so if the turn signal isn't working but the brake light is, it is a problem on the TV side.  Most likely your TV has separate turn (orange) and brake (red) lights which are combined with logic circuitry so there is one output through the Bargeman.  If this came built-in on your TV you'll have to get your dealer involved.  If it was added after-market, there will be a small box somewhere near the rear (under the bumper or behind a light assembly) that you can replace easily.