Moderator: I'm keeping this short as a last word, the supplied link should help with any unanswered questions for those who are still awake. To the original poster: Don't be afraid to try using the chassis for ground. I have been introduced to the term "stiffening capacitor" and in taking Kayo's advice, found this artcle through Google. Good reading for those who want to learn more (and note the statement about a capacitor being an alternative to a bigger alternator): http://www.caraudiomag.com/specialfeatures/0207cae_gotjuice/ Martin #1456 #4426