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 What Is a One-Wire Alternator?
General Application
Looking like any ordinary
two-wire alternator, the one wire alternator has a self-energizing internal voltage
regulator that eliminates the wire to the ignition.
OK, this sounds like the silliest question since "How
many cylinders does a V8 have?" Maybe it is, but we're going to tell you anyway. A
one-wire alternator is simply an alternator with a self-energizing voltage regulator
inside. Instead of having to run two wires--one to the positive battery terminal and one
to the ignition--the one-wire alternator needs only the wire to the the battery. That
gives you two advantages: it reduces engine compartment clutter by eliminating the
ignition wire, and it gives you one less wire to trace if something goes wrong with your
charging system
How Do You Install a One-Wire Alternator?
Installing a one-wire alternator is a very
simple procedure. Just remove the old alternator, bolt on the new one-wire, then hook up
just the wire to the battery and your done. There are two ways to run the wire: directly
to the battery, or to a relay (such as a remote starter relay). Illustrations A and B show
you the schematics for each.
You guys who have older cars with external-regulator
alternators will have extra wires dangling. No problem--just unplug the wires
or
remove them.
You can use a voltmeter or a ammeter with
a one wire
setup.
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