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Date: Sun, 11 May 2003 23:18:52 +0200
From: "Simon Putz" <>
Subject: Re: Charging  and othe voltages

> i do not know how accurate the voltmeter is in the edu (Saab 9000S > 1992) but the voltage displayed immediately after starting is about > 9.2 to 9.4. Isn't this very low? > > Another phenomenon: The voltmeter used to display 14.0 to 14.5 > frequently while running around town. A week or so ago I ran the > battery down( left the fog lights on when I shutdown) and got a jump > start. It has run all right since then but I am seeing much lower > voltages: say 13.7 or 13.8. oh now that ive read it again, maybe you have a weak battery and thats why you get around 9 volts when cranking, (mine does around 10.5) and then more than 14V while driving because the alternator is putting out current like mad to charge your weak battery. 13.7 sounds alright, its just a bit on the high side. my car does like 13.0 V when running bye simon

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