[FC] alternator installation?

[Ken Hand]

I think we have been through this once before, either with you or someone else not to long ago. If there is any voltage?feedback through the alternator the diode trio is bad. Also if the voltage is at 18v then the regulator is shot also or not seeing the correct voltage to regulate. That point doesn't matter because you already have a feed back through the alternator making it bad without going any farther. Relays and any other thing you do only cover up the real problem.

As far as Figuring which terminal is which all it takes is a test light. Hook the test light to the POS of the battery, I am pretty sure that the "R" terminal will go to ground and the "F" terminal will do nothing. If that is the way it is then the "R" terminal is the one that goes to the idiot light. The "F" terminal should have battery voltage run to it from the battery or at least the POS terminal of the alternator. Now, IF the test light lights up on both terminals, "R" and "F" or even the Pos terminal on the alternator,?then that is another reason to have the alternator repaired before even going any farther.


Ken Hand
248-613-8586
www.corvairmechanic.com


-----Original Message-----
From: Wild8bill at aol.com
To: corvanatics at corvair.org
Sent: Wed, Jul 29, 2009 12:01 pm
Subject: [FC] alternator installation?



I have a "one wire" internally regulated alternator, and need a wiring  
diagram (!). I have tried the obvious ground and a single wire to the battery,  
but get a power drain back through the alternator when key is off. I 
connected a  relay to only allow the alternator to pass a current when key is 
on, 
but  alternator is producing 18 volts, which is too high and will damage 
circuits. I  have not attached the former "gen/oil" dash light wire because I 
don't know  which lug to go to, R or F. would that wire then reduce the 
output to an  acceptable 15 volts? And wouldn't the whole "one wire" thing be 
incorrect if I  have to hook up other wires to make it operate correctly?
 
Anyone experienced with putting one of these on their truck who can give me 
 some instructions or a link to a schematic would be a great help.
 
Bill
Richmond CA
61 rampside
63 greenbrier
63 monza convert
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