One thing all manufacturers still have is an idiot light on the dash. Most one-wire alternators are an upgrade of the GM/Delco style unit, and you can get a conversion harness to run a charge ...

Over the years, many classic-car owners have switched to one-wire systems, which means that GM-, Ford-, and Chrysler-style alternators can now be purchased as a single-wire version.

While there are single-wire alternators with only a fat B+ wire going to the battery and/or fuse box, most 25-to-40-year-old cars that are equipped with internal regulators have two-wire alternators.

For about $25 you can score MAD Enterprises' alternator wiring kit (PN ALT-1) and ease the installation of a more modern factory-type Delco-Remy 10SI or 12SI alternator. The kit includes items ...

If you're building an '85-or-earlier sport truck, are considering an alternator upgrade or engine swap, and are willing to perform a minor bit of customizing, Bosch offers a Universal One-Wire ...