The electronic voltage regulators that Chrysler used in the 1970's and 1980's. In the stores I've checked, they have them for about $15 and about $50, with nothing in between. Why such a difference? I'd like to buy the cheaper one, but I don't want to skimp out if I'd be missing something important. ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.