point of info on PCM's...

I feel ornery as he!! today..(can you tell?)
Everyone with a car that has the battery charging voltage regulator in the ECU, please respond!
But I'm wondering if the guy MIGHT have meant the the Vref regulator... which
could be a switcher, thus COULD put out 22 volts... though that would at least blow the BAP and probably the MAF
--
- Yes, I'm a crusty old geezer curmudgeon.. deal with it! -

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How do you get 22 volts on a 12 volt system? The maximum voltage produced on average from a automotive generator is 14.5.

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"pick one" <try again!> wrote:

An unregulated automotive alternator will put out hundreds of volts.
5 or 6 years ago, I had a bulkhead connection get rotten from age on my 70 'cuda, voltage at the battery was 12.6, voltage at the alternator output terminal was over 300 volts.
I don't remember exactly what the spec was but the voltage fed to the electrically heated windshields in full sized Fords and Mercurys was in the hundreds of volts category.
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I've got two. A 95 Dakota and a 98 Intrepid.

I'm pretty sure he's talking about the charging system.
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