help! funny noise

I'm hoping one of you tech guys can help with this. We got a new brake control added to our new- to-us TV yesterday. It was installed by the car dealership, not the RV dealer.  Now when Tom towed it around the block it made a noise which sounded like it was coming from the Pod tire or axle.  Errrrrrrgh thunk. Errrrrrgh thunk. Did not matter if he was driving or backing. I did also hear the water sloshing in the freshwater tank but that was a definite water sound. This is the first time we have the water full and drove it. B

Hmmm, do you feel the vehicle pulsating, like its varying the amount of braking force that seems to sync with the sound?  If you upgraded to an intertial braking controller (like the Tekonsha P2) I wonder if it isn't mounted at the correct angle.  Most of them need to be within a certain degree of horizontal.  My older Prodigy I think must be less than 45 degrees.  If yours is too far it may be getting confused and thinks the additional braking force when it starts to apply the trailer brakes is additional braking force coming from you in the TV.  So it applies more trailer brakes, then thinks you've applied more brakes, getting into a feedback loop until it realizes there's a problem and releases them.

Originally posted by Snowbound Our brake control is a Curt Discovery. It is supposed to have electronic read outs for shorts or overloaded circuts. These are not displaying any problems nor is the Er for for internal control error. As far as I could tell the same noise happens- no degree of noise changing with the amount of brake force. Tom is at work now (41 days to go) but will check it more before we take off tonight.

Originally posted by techntrek Have you tried having someone walk next to the 'pod while the brakes are applied, to see if its only coming from one side or both?  I'm worried that the new brake controller is a coincidence and something is wrong with one of the bake assemblies.  If you hear it from both sides then that's less likely.

Mystery solved. The noise WAS caused by the brakes engaging and disengaging. It took the service man about 1 minute to determine this. He said it was perfectly normal and checked out the settings on the brake control readout as well and was nice enough to explain to this unmechanical woman how the magnets on the brakes worked. Magnets! Who knew? He also set up a new hitch Tom had bought on the weekend, lowering the front end of the pod when we tow it and ordered a new face plate for the pod's electrical box. We had trouble with the old one coming down all the time as it is located under the front settee and when we took a closer look, one plastic hinge pin was broken off.. So no charge for anything and our concerns are gone.