I’ve installed a Renogy 200ah AGM battery, 2-100w Renogy solar panels and Redarc 1225BCDC controller in/on the bed and rack of my 2016 F150. I have everything wired but the battery isn’t charging off the solar or starter. It remains stuck in FLOAT stage charge. The 1225BCDC and auxiliary battery are grounded to the frame together. The solar is grounded to the auxiliary battery. After speaking with REDARC they are saying to install ground cables between truck bed and chassis. I’m confused. Do I do that, not even 100% sure what that means, or run all my grounds to starter battery or something else maybe? I’m getting power from solar and starter battery but it’s getting ‘stuck’ in the controller. The diagram below is how I’m currently wired.
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