Low voltage distribution panel...Help

[k9s2go]

After a recent trip, upon arriving home, we noticed an audible click/twang noise from behind the couch in front. Found the panel, reset the breakers in the back but it still clicks. Don't know what could be the problem....recently installed a new refrigerator, but everything was fine for our trip - 'till we got home. We've disconnected the batteries and are trying to figure out what to do. We'd like to try to fix it ourselves but next step is RV repair somewhere. Any suggestions?????

[Phil Gobie]

You may want to look at the circuits that have thermal overloads that auto reset. They may be hot and re setting or defective. I know one is for an electric jack and I think the other is for the incoming power from the TV? I have a 77/31 so yours is probably different.

[john hd]

any chance you installed a 3 way fridge?

is the heater element overloading the circuit?

john

[Zeppelinium]

(see if you can determine if the clicking ciruit breaker is in the TV charge line or the line to the electric jack, before taking the advice below)

I believe you're hearing an auto-resetting circuit breaker. In early 70s trailers, that breaker is in the TV charge line, eg, the line that will recharge the trailer battery from the TV. I'm not sure what the design parameters were, but I surmise that it was intended to charge the battery while towing, so the current load limit probably assumed that that line would be powered when everything else in the trailer is off (moving down the road) and then not powered when you begin using lights and other 12V systems (parked and tow vehicle is off).

If your TV wiring doesn't turn off power to that line when the engine is off, you'll deplete the TV battery pretty quick. You may find you don't have a problem [with the trailer electrics] by simply disconnecting the TV.

Zep

[k9s2go]

The refer we installed is a two-way. Seemed to work fine. The trailer still made the click when TV was unhooked. We'll double check the ground/s to see if that may be it. Thanks
k9s2go