Originally Posted by
drivesafe
Hi Ean, if you do not already have a cable to the rear, it would be advantageous to run 6B&S.
The 6B&S will guaranty you will have very little voltage drop while charging from the solar, and the setup will allow your to charge house batteries ( in the future if not now ).
If you are only interested in solar charging, then I need to know the total solar wattage to be able to suggest the minimum size cable to reduce voltage drop/lose over the distance between the rear and cranking battery.