rear defroster interference

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Maurice - 03 Dec 2006 14:15 GMT

I had the rear defroster on for the first time this season and when it's on
I lose the reception on the radio - just static all stations, turn off the
defroster and the radio is fine again. Any thoughts as to how I'd fix this?
Thanks
Maurice
'95 740i

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Andrew Morton - 04 Dec 2006 09:38 GMT

> I had the rear defroster on for the first time this season and when
> it's on I lose the reception on the radio - just static all stations,
> turn off the defroster and the radio is fine again. Any thoughts as
> to how I'd fix this? Thanks
> Maurice
> '95 740i

That sounds like there is a slight break in one of the demister wires - that
will make a small spark which will interfere with the radio reception,
particularly because the aerial uses the same wires as the demister. You
could try repairing it with some stuff like
http://www.partsforsaabs.com/default.php?cPath=61_240

To find the break, look for where it isn't demisting.

Andrew

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adder1969 - 04 Dec 2006 10:42 GMT

> That sounds like there is a slight break in one of the demister wires - that
> will make a small spark which will interfere with the radio reception,
[quoted text clipped - 5 lines]
>
> Andrew

..or, in the case with mine, look for where it demists in the circle
before the demisted lines appear

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