I have a small travel trailer with the usual RV 12v system. I havent found anything on the breakaway switch that looks like any sort of battery box, therefore, Im assuming that it works off the RV battery in the trailer? So my assumption is that the breakaway switch will not activate unless both the pin is pulled AND the electrical connector in my case 7 blade is separated. Would this be correct? I recently returned home from a trip with my camping trailer and noticed that the pin had pulled out. However, I did not notice anything unusual about the brakes- no excessive heat, trailer towed as smoothly as always, nothing out of the ordinary. Obviously Ill want to replace the pin part of it broke off in the process and possibly the switch itself depending on what I find when I take a closer look at it this evening. Is there anything else I should be worried about? I have NO idea how or when the pin came out, but there was absolutely nothing unusual in the way the trailer towed, no excessive heat, nothing. Thoughts?
asked by: Dave
It sounds as if your breakaway system is not functioning.
On a properly working system, the brakes would engage regardless of whether or not the 7-way was plugged into the vehicle. It is not necessary to have an additional break away battery if the battery on your trailer has sufficient power to keep the brakes applied for 15 minutes once the break away pin is pulled.
Because of the importance of the breakaway system, it really should really have its own battery. Since the system didn't function when the pin was pulled, it wouldn't be a bad idea to replace the whole system using a breakaway kit like part # 20020. The system isn't terribly expensive, but its a very important piece of safety equipment for your trailer.
I've linked you to some trailer breakaway FAQ articles and videos you might find helpful.
expert reply by: Mike L
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