The 82 and 83 have the early style alternator that requires some desoldering/soldering skills to replace the voltage regulator. You can replace the regulator on the 84 and up just by removing a few small phillips head screws. The big problem is that a lot of parts stores charge near the same price for a new regulator as they do for a rebuilt alternator. :? See if you can find a place that sells Beck/Arnley parts. Beck/Arnley used to make replacement regulators that looked practically identical to the OE part and the price was considerably less.