The resistor is installed inline on the 12-volt supply to the distributor. Most older cars came with a generator, not an alternator. For vehicles equipped with an alternator, you can either purchase a new 12-volt alternator or perform some wiring changes. Here is where you should contact your mechanic once again if you are not familiar with what is required. If you don't know what you are doing, you can cause some major component damage.
All cars are different and equipped with various options.
Other parts that my need to be replaced are the cigarette lighter, horn, turn signal flasher, clock, and other electronic gizmos. Check your car over thoroughly and know what you are getting into before you begin. Thanks for visiting, please come back again. The premier magazine devoted to collectible automobiles. International Auto Parts A catalog and on-line retailer of Alfa Romeo and Fiat Parts.