Apologies for way off Topic but need help

[Tim]

On Wed, 2011-11-16 at 10:19 +1100, Roger wrote:
> Apologies for being a light year OT but I do not know who else to ask.
> Way back when car radios were first installed in cars there used to be
> a plug in filter that went between the arial connection and the radio 
> input, it cut the RF static from overhead SEC wires.

Dunno about filtering outside interference, but filtering out noise from
the ignition system has needed doing ever since cars had radios put into
them, and still does.  It can be done it two ways; ignition noise
suppressors in the power line to the radio, and noise suppressing leads
on the spark plugs.  And some use both methods.

Go to a general electronics shop, or a place that fits car radios.

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