How to Restore Automotive Electrics By Forbes Aird. Take the mystery out of your carÆs electrics! This fact-filled guide focuses on pre-1970 cars and explains the basics of the carÆs electrical systems including the battery, generator, alternator, voltage regulator, starter, ignition system and wiring. Change your 6-volt system to a 12-volt system orsimply make your 6-volt system perform at its best! Applicable to domestic and foreign collector ca rs. More than 100 photos, charts and graphs show parts and explain concepts. Sftbd., 8 1/4"x 10 5/8", 128 pgs., 150 b&w ill.