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View Full Version : Good alternator for a 1990


rzimmerl
03-31-2008, 08:33 AM
Looking for a good alternator for a 1990. Trying to trace down my electrical drain problem. Current alternator won't put out any more than 14.0 volts.

lowflying90
03-31-2008, 10:13 AM
i always thought the normal range was 13.8-14.4 volts.


i have one off of my parts car, but i don't know what voltage it put out.

jmpsu2@yahoo.com

rzimmerl
03-31-2008, 10:29 AM
Ya the output voltage sounds OK. But I am worried about the diodes, as I let the alt charge my battery a few times last year after it was just jump started (on a bad battery) and not ran with a fully charged battery. I just put a new battery in 2 weeks ago and went to start yesterday and had 9.5 volts. I am getting a 0.01 voltage draw from my IC fan switch, changing that tonite.

the-big-e
03-31-2008, 04:07 PM
I have a few....

Need a zip to figure shipping costs....

lowflying90
03-31-2008, 10:50 PM
yea, if the battery is new, maybe you'll luck out and that ic fan switch will be it. if you need an alternator, send me a email. jmpsu2@yahoo.com

pock1
04-01-2008, 08:59 AM
ur alt is on it's way out, 1 of the diodes is shot. mine did the same thing 2 weeks ago. i have 1 for $35 shipped off 1 of my 90 scs i just got.

rzimmerl
04-01-2008, 10:52 AM
Thanks for all the replies, shipping will be to 45875 and can I get some mileage estimates on them.

Thanks

the-big-e
04-01-2008, 05:35 PM
PM sent....