I have an NAA, 6V electrics, but P.O. had converted(?) it to negative ground. Primary wire connects via key to + terminal on coil. Starter turns the right way, charges OK. Any reason to convert it back? It's a worker, not pretty. Thanks, Dave Merchant kosh at ncweb.com kosh at nesys.com dmerchant at layerzero.com http://www.nesys.com http://www.nesys.org YouTube: SteamCrane