18volt Alternator output? Help?

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Old Jun 17, 2008 | 10:04 AM
  #1  
theelemental's Avatar
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From: Madison, VA, USA
Default 18volt Alternator output? Help?

Hi Guys, I have a 1989 CRX with an obd0 B16, with a Obd1 conversion. I've driven it for 2 years swapped, and recently it had a starting problem. I jump-started it and tested the current at the battery while running, and it slowly climbed from 17.8 to 18.04 volts. Is this a need for a new alternator, or possible fuse problem, etc?

Thanks in advance.
-Matt
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Old Jun 17, 2008 | 10:06 AM
  #2  
dr_latino999's Avatar
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From: Ft. Hood
Default FV-QR

Sounds like the voltage regulator inside the alternator went kaput, I had this problem a few weeks ago and it spiked to 25 volts which was not very nice to my wiring.
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Old Jun 17, 2008 | 12:57 PM
  #3  
sgallagher's Avatar
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From: Ventura, CA
Default Re: 18volt Alternator output? Help? (theelemental)

I agree, your alternator is no bueno. Get that thing out of there BEFORE you start burning up wires and blowing fuses.
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Old Jun 17, 2008 | 01:07 PM
  #4  
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From: hard parked at the sandbar
Default Re: 18volt Alternator output? Help? (sgallagher)

change it out asap, when mine went bad one night i just happend to have my high beams on and they both blew out...
you could get it rebuilt also that might be a little cheaper, it was only about 100 to have mine redone and that included, stator,brushes,rectifier,regulator and bearings. good deal i thought

driving home with just yellow fogs sucks

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