Right, they were also 12v generator 'til 62 then they went to the alternator. If it's got a 6v coil toss it for a 12v coil......a 6v coil is not correct for a 64 Barracuda. I have had a 66 Dart and a 72 Duster do this to me and it was the Ballast Resistor both times. The douche ex-husband...