Screwey alternator light... long - Saab Saab Model 99 Bulletin Board - Saabnet.com
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Screwey alternator light... long
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Posted by Zac [Email] (more from Zac) on Fri, 13 Apr 2007 10:49:16 Share Post by Email
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My electrical system is messing up, not sure if its the regulator itself or something else.
1) car starts and runs normally, but no power to gauges/climate stuff or radio. but headlights/signals ok.

2) once its going and i'm on the road, the alternator light turns on and the gauges start working, but still no power to blower/wipers/radio, BUT the voltage is up around 13.8, which indicates the alternator is ok? However, if i turn on the blower switch, the gauges (fuel level and temperature) drop to zero over 2-3 seconds?!

3) sometimes, if i turn on the high beams or hit the horn, the alternator light turns off and everything works fine, until i turn the car off and start it again.

seems like an intermittent problem, which makes me think it's the regulator, but i'm confused by the way the gauges behave, the lack of power to horn/blower.

Any guesses?



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