Wiring Diagram for the Two Golf-Cart Battery Setup

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  pthomas745 Moderator Posts: 3,642

  July 2017 edited July 2017

  This one?
  
  http://tab-rv.vanillaforums.com/discussion/4313/dual-6v-batteries/p2
  
  Or, this one?
  
  http://tab-rv.vanillaforums.com/discussion/1419/golf-cart-battery-set-up/p1
  
  Jenn Grover approved!
  
  
  

  2017 Outback

  Towed by 2014 Touareg TDi
  

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  Bert Member Posts: 87

  July 2017

  Thanks, pthomas745. I appreciated the photo of the wiring on the two golf-cart battery setup by Normfun (your top link).
  
  My challenge is I see one red, several white, and at least one black wire coming from a variety of different directions. I would hope to see a schematic (not necessarily as sophisticated as the one showing two solar panels and two golf-cart batteries on your bottom link) or a photo with labels indicating what each wire is going to and pointing out the negative and positive terminals of each battery. 
  
  I would also like to know whether I should put the battery cut-off switch on the positive wire between the trailer and the batteries or on the negative wire between the trailer ground and the batteries. If there's no definitive answer, I'd like to know the advantages of each approach so I can decide which of the two wires to cut.

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  Sharon_is_SAM Administrator Posts: 9,489

  July 2017

  The battery cut off  switch question has been discussed.  Hot topic.  I can tell you that the dealers are placing them on the positive wire.  Make sure you drive with the battery unisolated so your emergebcy break away brakes are active.

  Sharon / 2017 T@B CSS / 2015 Toyota Sienna Minivan / Westlake, Ohio
  

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  Bert Member Posts: 87

  July 2017

  Thanks, SAM. I'll probably follow the dealer's approach unless I see a compelling argument not to. I think it best for the installation to be one that might be familiar to a dealer.
  
  I will probably be able to remember to keep the battery cutoff switch set to "On" when driving because I would want to charge the battery from the TV or keep the refrigerator set to 12V while I'm driving. I'm not necessarily going to remember to switch the battery to "Off" when storing the Tab, which has cost me one battery already.

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  pthomas745 Moderator Posts: 3,642

  July 2017

  I ran a search for cut off switch......
  
  https://www.google.com/search?q=cut+off+switch+site:tab-rv.vanillaforums.com&ie=utf-8&oe=utf-8
  
  
  
  
  

  2017 Outback

  Towed by 2014 Touareg TDi
  

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