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Good advice boondox, I will pull another wire.

Makes sense to me Hedges. Thank you. I intend to ignore the dire warnings and test my solar with the PV- temporarily connected to the inside of the van roof and see if I get significant voltage drop or any charging issues compared to 10AWG wire right to SCC. If I'm happy I will wire PV- to the...

I am very eager to find out the actual length and width for the Renogy RSP-100D, the one with the plastic corners. Website says 20'x43.3" but I have learned the hard way the advertised dimensions are not always accurate. I bought the new RNG 100D and it turned out to be 20"x 42.5" which is...

From what I understand impedance matching can make a difference in certain circuits with a capacitor and an inductor. Is that the case here?

So assuming I wire the PV- to the chassis at the panel and the PV+ has different resistance or conductivity than the PV- , how could this prevent this particular Renogy (common -) DC-DC/MPPT from properly measuring solar current and feeding appropriate current to the LiFePO4 house battery.

Thank you boondox. Maybe you (or someone) can help me with my second question. The PV negative wire is supposed to be connected to the negative terminal on the Renogy DC-DC/MPPT That terminal is also connected to the negative bus, which is connected to the chassis (along with the negative lead...

I'm a bit confused about which way to mount the breaker between the DC/DC MPPT charger and the solar battery. Will's photo ( Click here for parts list and schematics ) has a lever type breaker with terminals marked LINE and LOAD in this spot, but due to the resolution I can't tell which way it...