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Old 02-04-2014, 01:21 PM   #1
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Question Electric Brakes

I'm a newbie with a 21' Flagstaff that has electric brakes and what I'm trying to find out is whether or not the brakes remain engaged after unhitching from my truck, i.e., do the magnets stay active via the 12V battery. I've read some posts that say to disconnect the battery when camping, but I thought some of the appliance controls ran off the 12V battery. Also, how would the battery get charged if it's not connected when using electric power at a campground.

The first time I parked my trailer, I unhooked the electrical umbilical cord after I thought I had it where I wanted it, but then decided to move it a little more and that's when I heard the loud squealing sound coming from the wheels; I plugged the cord back in and no more squealing.

So, do I disconnect the battery via the Battery Disconnect switch in the trailer; is there some other way to deactivate the brakes when camping; or will the brakes deactivate themselves after a period of time?

Looking forward to resolving this question.
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Old 02-04-2014, 01:31 PM   #2
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I believe the electric brakes only engage when the get a voltage signal from the brake controller on your tow. I pretty sure they are disengaged when unhooked. You can disconnect your battery if you want but your fridge etc needs 12volts your convertor will supply it if you are plugged in but then your battery will not recharge.
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Old 02-04-2014, 01:39 PM   #3
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Quote:
Originally Posted by Old Bill View Post

The first time I parked my trailer, I unhooked the electrical umbilical cord after I thought I had it where I wanted it, but then decided to move it a little more and that's when I heard the loud squealing sound coming from the wheels; I plugged the cord back in and no more squealing.
When you say umbilical cord, are you referring to the cord that plugs into your tow vehicle, for the lights, brakes, etc...................or are you talking about the cable that hooks to your emergency breakaway switch.

The breakaway switch has a pin, that if pulled out, activates the trailers electric brakes with power from the trailers battery. You don't pull the pin on the emergency breakaway switch, when unhooking from the tow vehicle. You also need to make sure that the pin doesn't accidently get pulled out during towing or hooking/unhooking..............and that there is enough slack in the cable to not pull the pin when turning either.

Your breakaway switch will look similar to this pic, with the switch fastened to the tongue/frame of your trailer..........ans the cable hooks to your tow vehicle when towing.

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Old 02-04-2014, 01:50 PM   #4
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Yes, I was referring to the cord that plugs into the truck for lights, brakes, etc.
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Old 02-05-2014, 01:13 AM   #5
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You can park with(trailer hooked to truck) or without (trailer unhooked from truck) the trailer plug hooked up.There will be no power going to the trailer brakes.You do not want any power to the trailer brakes when you are set up for camping.Make sure that the breakaway switch is not activated as stated above.

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Old 02-05-2014, 01:54 AM   #6
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its not uncommon for the brakes to groan occasionaly when the trailer is moved....especially if its been sitting a long time, moving in reverse, or if the brakes were recently adjusted.....and are a lil tight....

the brakes ONLY activate under 2 conditions

1, 12v signal from the brake controler
2, 12v from emergency brake cable being activated

just remember to ALWAYS chock your wheels before un hitching!...nothing worse than a trailer that moves back or flat out runs away
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