[Miata] - Alternator Humming

[brad boston]

I thought the IAC would only make noise if the engine was running...  I will
take a listen when I get home

On 4/3/07, Larry Alster <Larry at miata.net> wrote:
>
>  It's probably the IAC unit next to the alternator.  Use a screwdriver as
> a stethoscope and "listen" to both and see.  The IAC hums, yes it's because
> it doesn't know the words.
>
> Larry
>
> White Knight      1991 Crystal White   #99 CSP
> Silver Bullet        1992 Silverstone     #17 SM2  FM I+ Turbo
> Honey B             1992 Sunburst Yellow
> Whooosh           2004 Titanium Mazdaspeed MX-5
>
> LowCountry Miata  http://www.lowcountrymiataclub.net
> Masters Miata
> RAGS 074
>
> ----- Original Message -----
> *From:* brad boston <boston813roc at gmail.com>
> *To:* Miata List <miata at realbig.com>
> *Sent:* Tuesday, April 03, 2007 11:13 AM
> *Subject:* [Miata] - Alternator Humming
>
> When I turn the car to the on position with the key but don't start the
> car I get an electrical humming noise from the alternator.  Any ideas?
>
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