PI installed 2ga wire at my request next to my battery compartment were my charge controller is. The shortest length possible to the charge controller is the way to go.
Here is a list of the solar equipment I added.
3 -Kyocera KD235GX-LPB 235-watt solar panel's (705watts)
1 -TriStar Remote Solar Meter 2 (TS-RM-2)
1 -Morningstar TriStar MPPT TS-60 solar controller
1 -Magnum (ME-ARC) advanced remote display panel
1 -Magnum (ME-AGN) auto genset start with temp probe
1 -Magnum (ME-BMK) Battery monitoring kit with shunt