Foretravel Owners' Forum For owners and Fans of Foretravel Motorcoaches September 15, 2025 ...

Battery disconnect installation

January 09, 2015, 08:59:12 pm

Trying to catch up on all the jobs I have been ignoring and now looking at battery disconnect switches  .
Start battery's have one main neg cable from rear of bank , so that's where I plan to install switch .
House bank has two large and one  small neg cables. (  yellow tag , thermal fuse ??)
House bank also has  two large pos cables from rear of bank .
Unsure if I should put switch in pos or neg line considering the  " thermal link "

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Re: Battery disconnect installation

Reply #1 – January 09, 2015, 11:46:08 pm

Always disconnect batteries from the negative post.

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Re: Battery disconnect installation

Reply #2 – January 09, 2015, 11:50:27 pm

Some pictures

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Re: Battery disconnect installation

Reply #3 – January 10, 2015, 11:27:19 am

Here are a couple of pictures of the battery disconnect panel and metering (old school) on my 1990 U280 36' Unihome.  In this case the batteries are switched on the positive side since the battery negatives are all tied to a common point.  This arrangement has been working  for about 24 years.  Coach also has an automatic battery combiner for  charging all banks when running.  There is one start battery and two house banks.  The panel was added in the top of the wet bay area just above the batteries.

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Re: Battery disconnect installation

Reply #4 – January 10, 2015, 11:48:52 am

Love that panel , my problem on the house bank is that the neg has some sort of temp sensor / fuse , so I want to leave that connected to the battery .
The live post has two large gauge cables connected

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Re: Battery disconnect installation

Reply #5 – January 10, 2015, 12:52:05 pm

My batteries have a single large gauge wire on the positive and an added power terminal stud for each battery where the multiple leads take off.

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Re: Battery disconnect installation

Reply #6 – January 10, 2015, 02:00:33 pm

The yellow gizmo should be a temperature sensor for the charger, and stays where it is place the disconnect switch between that and all the wires on the post.

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Re: Battery disconnect installation

Reply #7 – January 10, 2015, 02:32:50 pm

So leave the yellow temp sensor connected to neg post and move the two heavy gauge neg cables to the disconnect switch ?

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