Forum Discussions about this Product

1. 

   $500 Solar and $700 Complete Electrical System

   • RDinNHandAZ
   • Nov 11, 2017
   • Promaster Builds and Conversions

   5 6 7

   120

   41K

   2 mo ago

    by RV8R
   1. 

      captainrob

      · Registered

      Joined Sep 16, 2016

      ·

      370 Posts

      #35 · Apr 21, 2018

      Only show this user

      RDinNHandAZ said:

      Yes ground the fridg. or any thing else to the chassis and the electrons go through the shunt. Think of the chassis as a wire from the battery negative to the ground wire on the WFCO. Join any electrical ground to it would be like connecting that wire to the ground wire. It is grounded, completing a circuit, AND it is connected to the battery ground beyond the shunt.
      
      Oh and one more thing...... You might think about installing a battery disconect in the negative cable going to the chassis ground. I did so I can throw the lever and work on any part of my DC system without fearing shorting out anything. I used this one but others are available:
      https://www.amazon.com/Volt-Battery...D=417jZCVUX1L&preST=_SY300_QL70_&dpSrc=detail

      Click to expand...

      Great, thanks for the info. Makes sense.
      
      Good idea about the switch on the negative. I am adding CBs for that same effect everywhere else and I have a spare switch exactly like the one you linked to I can use for the negative.
      
      When hooking up the alternator charging (battery isolator) that does not require anything different with the shunt or do I need to run a negative from the starting to the coach battery as well? Normally it is just the positive ran to the coach battery from the starter battery.
      
      Sent from my SM-G930T using Tapatalk

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2. R

   Fuses, Breakers, & Shut Offs

   • RonFrank
   • Jan 24, 2019
   • Electronics

   9

   3K

   Jan 25, 2019

    by GaryBIS
   1. 

      RDinNHandAZ

      · Premium Member

      Joined Jul 10, 2014

      ·

      8,970 Posts

      #3 · Jan 24, 2019

      Only show this user

      I switched the solar output so I can isolate the power sources for diagnostic and working on the circuits. If the Sun's shining you have a charged system. I second the RV style converter for anyone who is a bit shaky on their sparky knowledge. It does the ground properly which is often misunderstood.
      Install the battery shut off on the wire from the battery negative to ground. That isolates the system with one switch. Use the Blue Sea site for sizing wire and remember the fuse is there to protect the circuit including the wire. Don’t let the wire be the fuse.
      
      https://smile.amazon.com/WFCO-WF-87...9&sr=8-5&keywords=wfco+35+amp+power+converter
      
      https://smile.amazon.com/Volt-Batte...8015&sr=8-20&keywords=battery+shut+off+switch

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