[DeTomaso] Electrical question

[MikeLDrew at aol.com]

Hey Bill Taylor and other electrically smart people,

Johnny Woods asked me to ask a question on his behalf.   He's installing a 
Powermaster 100-amp alternator on his car; he bought a one-wire model but 
now wants to convert it to three-wire operation.   He talked to the 
Powermaster tech line and they told him it wasn't possible, which I find difficult to 
believe.

At the same time, they told him that the factory wiring wasn't up to the 
task of handling 100 amps, and advised him that he should run TWO power wires 
from the alternator; the second should run from the alternator output 
directly to the battery cable on the starter solenoid (and thence back to the 
battery).

Their premise is that by doing so, a percentage of the alternator's output 
would run through the ammeter, to the battery, while the rest would bypass 
the ammeter.

This sounds totally hokey to me, and completely unnecessary.   What say 
you, electrically smart people?

Please, please hit 'reply all' so your replies will be seen by Johnny, who 
is on the PI forum but not this one.

Thanks!

Mike