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Radio whine tasking me 900 1993

posted by  rafferd on  Tue Feb 1 11:55 CST 2005
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last visit: Tue Oct 21 11:10 CST 2014
[RELATED]

I thought I had it licked.
I replaced the engine and injector relays on the '93 960 to cure the intermittent radio whine.
Though reduced, it is still there!
Several other misc. relays have been replaced, and alternator wires, grounds cleaned.
Is it the diodes in the alternator that are on the way out?
What about fitting a "noise filter" to the radio supply. I would but it's a rats nest back there, which one is the positive?

Any thoughts would be welcome.

Dan





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