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Old 10-31-2013, 12:09 PM   #1
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12 volt power shut off near Battery.

Wanting to install a main 12 volt shut off swtich on the negative line leading to the frame. I cant store my camper with a shore line hooked up all the time. Items inside stay on all the time running the battery down.
Can this be installed without issues??
I have a 2013 WC 282RKX.

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Old 10-31-2013, 01:23 PM   #2
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Typically it's installed on the positive just after the battery. Why were you thinking of doing the negative?
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Old 10-31-2013, 01:24 PM   #3
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I think the problem with that is that your emergency breakaway brakes won't work if that switch is disconnected, and you will probably forget about that.

If you can put it in the positive lead for the majority of items, but leave the breakaway switch hot, that would be better.
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Old 10-31-2013, 01:45 PM   #4
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I dont have one on this camper. My Nomad did, it was under the sink. I just saw some sites that said hook up to neg. line. Just checking.
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Old 10-31-2013, 03:07 PM   #5
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Originally Posted by Tim966 View Post
Wanting to install a main 12 volt shut off swtich on the negative line leading to the frame. I cant store my camper with a shore line hooked up all the time. Items inside stay on all the time running the battery down.
Can this be installed without issues??
I have a 2013 WC 282RKX.

Thanks
In reality it makes no difference at all if you break the positive or the ground. You need both to complete the circuit. People normally break the positive but that's not in stone also. Which ever is easier it will work
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Old 10-31-2013, 03:17 PM   #6
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I think the problem with that is that your emergency breakaway brakes won't work if that switch is disconnected, and you will probably forget about that.

If you can put it in the positive lead for the majority of items, but leave the breakaway switch hot, that would be better.
Some trailers are connected directly to the battery bypassing the disconnect. It depends on the unit. They seem to all be different. Pretty easy to tell. Remove the positive lead and leave the rest on that is connected. Pull your break away and see if it locks up.
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Old 10-31-2013, 03:24 PM   #7
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Some trailers are connected directly to the battery bypassing the disconnect. It depends on the unit. They seem to all be different. Pretty easy to tell. Remove the positive lead and leave the rest on that is connected. Pull your break away and see if it locks up.
So you're suggesting that there is a separate negative battery connection to the brake magnets and be can disconnect the battery from the frame and the brakes will still work?
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Old 10-31-2013, 03:27 PM   #8
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So you're suggesting that there is a separate negative battery connection to the brake magnets and be can disconnect the battery from the frame and the brakes will still work?
He can wire in a disconnect from the main ground as long as he leaves the brake ground to the battery connected. That's the way my 5er is wired and also the 08 Flagstaff 831RLSS was wired.

Some trailers have an independent 12 v battery for the emergency brakes.
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Old 10-31-2013, 03:37 PM   #9
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So you're suggesting that there is a separate negative battery connection to the brake magnets and be can disconnect the battery from the frame and the brakes will still work?
Yes I am negative is still a ground. If it is not a ground then how can your meter read 12v going across pos to neg ? Are you trying to say that there is not a wire from the negative post to the frame?
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Old 10-31-2013, 03:48 PM   #10
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Are you trying to say that there is not a wire from the negative post to the frame?
I'm saying that if he puts a battery disconnect in that wire there will not be (when it's disconnected by the switch).

Tim966, may I suggest that, whether you put the disconnect switch on the positive or negative side, that you leave a path for the circuit that powers your emergency breakaway brakes so they are not affected by your new switch.
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Old 10-31-2013, 04:04 PM   #11
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I'm saying that if he puts a battery disconnect in that wire there will not be (when it's disconnected by the switch).

Tim966, may I suggest that, whether you put the disconnect switch on the positive or negative side, that you leave a path for the circuit that powers your emergency breakaway brakes so they are not affected by your new switch.
Well that part is correct, so you need to see and tell how your breakaway is wired that's all I'm saying. Some are wired thru the disconnect and some are not. That is important to know, nothing else. If you pull the plug and your breaks do not lock up after you disconnect the main pos. it is connected thru the disconnect if if still locks up then it is wired directly to your battery. What is hard to understand in that statement?
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Old 10-31-2013, 04:11 PM   #12
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Well that part is correct, so you need to see and tell how your breakaway is wired that's all I'm saying. Some are wired thru the disconnect and some are not. That is important to know, nothing else. If you pull the plug and your breaks do not lock up after you disconnect the main pos. it is connected thru the disconnect if if still locks up then it is wired directly to your battery. What is hard to understand in that statement?
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Old 10-31-2013, 04:23 PM   #13
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WHY would you need brakes when stored? It's not like they work anyway when not moving.
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Old 10-31-2013, 04:30 PM   #14
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WHY would you need brakes when stored? It's not like they work anyway when not moving.
It's the emergency breakaway brakes. The fear is that with a disconnect that disconnects them may be forgotten to be re-enabled when you go to get the camper out of storage. If forgotten and the worst happens and the campers separates from the tow vehicle, the brakes wouldn't be applied.

This reminds me that I really need to test this... on my own disconnect switch installation.
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Old 10-31-2013, 04:36 PM   #15
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Well that part is correct, so you need to see and tell how your breakaway is wired that's all I'm saying. Some are wired thru the disconnect and some are not. That is important to know, nothing else. If you pull the plug and your breaks do not lock up after you disconnect the main pos. it is connected thru the disconnect if if still locks up then it is wired directly to your battery. What is hard to understand in that statement?
He does not have a disconnect switch to "see and tell" about. This thread is about adding one.
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Old 10-31-2013, 04:37 PM   #16
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Whenever I disconnect anything important, I put a yellow tag on the coupler or wiring plug to remind me the next time.
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Old 10-31-2013, 05:39 PM   #17
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He does not have a disconnect switch to "see and tell" about. This thread is about adding one.
Barry I understand that, but he needs to find out how it is wire now before he adds the disconnect. He has to know were his wires go's that all I'm saying again.
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Old 10-31-2013, 05:56 PM   #18
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Barry I understand that, but he needs to find out how it is wire now before he adds the disconnect. He has to know were his wires go's that all I'm saying again.
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Old 11-02-2013, 08:41 AM   #19
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Cheaper, but more of a pain. I pull my battery and place it on a battery minder in my garage. I only do it if I'm not going to be moving for more than two weeks or so. Just throwing an option out there.
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