 Automotive electricity
I think I'd try another meter.
--
Steve
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Remove the not dot from my address to abuse my email box
"JTMinQC" <jtminqc(remove)@m> wrote in message
news:bhu3b2$37pde$1@ID-76207.news.uni-berlin.de...
> Having problems with a HAM radio, someone suggested I check the input
> voltage, while xmitting. Since I was in the motorhome, and it was plugged
> in to shore power, (at home), after checking the DC voltage, which was as
> expected (12.6 VDC), I put the meter on AC voltage and checked. Well, it
> read 27V!!!! So thinking that maybe there was some leakage, or somehow
the
> AC was leaking onto the DC circuits, I disconnected shore power, and took
> another reading: 27V on the ACV scale, and this time measured directly at
> the battery!!! Not to be outdone by such a little problem, I took my
> volmeter to the car, lifted the hood, and checked directly on the battery
of
> the car, not the motorhome, and the car was not running: 27V!!!
>
> What am I reading? I could understand some pulsating DC being read as AC,
> when the alternator of the car is going, but the engine was not running
and
> there was no outside poser applied to the vehicle.
>
> As it seems to be normal, I am not overly concerned, but I am really
> curious. Does anyone have any idea?
>
> VA2JTM.
>
>
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