Originally posted by Streets
Did they still use the external voltage regulators back on the '65 GM's that had to be "polarized" after installation or they didn't work??

Streets...
yep they still had those and like streets said, if ya dont polarize it they wont work, but also I have found in every caddy my parents of I have owned they had a problem like this & it turned out to be either the headlite switch or the cig. lighter that caused the problem.............joe