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Just thinking out loud regards powering the board when on charge. I don't use a dc-dc. I have a seperate 12v battery and charger for the accessory systems. I have the lcd module powered via a relay from the ignition switch. I also have a mains powered two pole relay that i use one pole for traction inhibit when on charge. If i wired the spare pole in parallel with the 12v relay it would activate when plugged in and draw power from the 12v charger. I'll give it a try. Might save a bit of rewiring.
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
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