new alternator. .now voltage is too high?
I recently installed a napa 135 amp alt. Now I have some intermittent problems with low and high volts while running. Low meaning 11.5 range, high, 15 to 16v. The low condition only showed a few times within a week following install. Now about a month has gone by and I am starting to see these high reads on my live wire ts. I am also loosing all dash board instruments and radio during hi volt. I assume the loss of dash power is some sort of safety function. Guess what I would like to know is the alternator regulating voltage out put or is there a separate regulator causing me grief? Thanks for any help! Jeff