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Old 09-14-2016, 04:35 AM   #11
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Hopefully this works quoting the post of my battery switch install. Was working and wasn't able to find where in my mod thread it was when I posted earlier.

I only have one battery, so this may not work if you use two. All depends on how much room the battery tray has. Our 32 battery tray isn't wide enough for a 27 & 24 battery box.

SO I finally added a switch to the battery!!! Ordered a group 27 battery box, and a Blue Sea Mini Series single on/off switch. Just enough room to mount the switch in the box with a group 24 battery. I just cut a 2x8 to fit next to the battery to keep it from sliding.

I mounted the switch on the back side, facing the front of the trailer. Wanted to have it somewhat hidden so if someone decides to mess with the trailer, or worse, try to borrow it, they don't have any 12v power unless they find the switch! It is hidden pretty good unless you really look for it! Used a 2-1/2" hole saw, and filed the little bit needed to fit the switch (specs show 2-5/8" hole needed).

What you would see IF you could squeeze between the trailer and the battery box! Lol

From the side.

Hope this helps!

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Old 09-14-2016, 04:42 AM   #12
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Originally Posted by mitchmitchell View Post
Where did you mount that switch? I've been trying to decide where to put mine. Does it need to be protected from the weather? I was originally thinking of mounting it to the frame but decided that might not be the best way to do it -- maybe mount to the side of the battery box?

Ended up mounting it key-up on the cross member next to the battery box.

Edit - I really like the above suggestion; very nice looking and I considered it. I didn't go that route since I'm on the hunt for some type of locking battery box.

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Old 09-14-2016, 05:11 AM   #13
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So that your disconnect will not become the source of an unplanned thermal event it's electrical ratings should be greater than the wires attached to its terminals. The only exemption to this is a breaker or a fuse.
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Old 09-14-2016, 06:01 AM   #14
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Here is a picture of my battery disconnect and here is a link to the battery lock i am using, hope this helps


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Old 09-14-2016, 07:03 AM   #15
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I put mine on the other end of the wire where it enters the electrical panel. Out of the weather, and nobody can mess with the switch when I am away from the trailer.


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Old 09-16-2016, 09:52 AM   #16
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I installed a HELLA 100A Battery Switch on the side of my battery box. I like this because it has a key I can take out (I got a spare in incase I lost it).

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Old 09-19-2016, 12:21 PM   #17
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Originally Posted by M&A View Post
I installed this one - Marinco 701 Battery Disconnect Switch https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
"Key" is removable. I have only one battery but so far so good. These are common on boats and should be on TTs.
Same here on my White Hawk 28DSBH. Installed it with some self-tapping screws. I put it just left of center on the A-frame cross section so it's tucked under the trailer cap, and I used the negative cable for disconnecting power. Man, what a pleasure it is not to have to open the battery box or get out a wrench every time I store the vehicle. Just flip the switch and go! And as M&A said, you can remove the key/switch-head if you think someone might flip it on just to ruin your day...

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Old 09-20-2016, 01:21 PM   #18
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Why not just pull the master fuse at the battery box? Much easier and CHEAPER
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Old 09-20-2016, 06:04 PM   #19
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To each his own. Pulling the fuse might be cheaper, but I don't find it easier than flipping a switch. I also like the fact that the big switch is a quick visual reminder as I leave the storage lot. "Did I remember to kill the power? Yup, I can see it from here." A small convenience, no doubt, but one I'll enjoy for years. For $28 it seemed worth it to me.
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Old 09-24-2016, 06:17 PM   #20
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I finally installed ours on the side of the battery box today.
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