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The CD player in my '98 LSE has a low whine that can always be heard in the radio speaker system. It is high-pitched electrical noise that is somewhat rpm independant. Sounds like ignition elec interferance. The entire radio circuit works fine otherwise. The CD unit operates normal. but there is ALWAYS this whine... Is there a noise surpressor somewhere inline ?? With the volumne turned up you can't hear it , but I don't want to become deaf.... Could it be bad/dirty connections?? As I said, the system sounds great on radio,cassett.cd, and wx.. Is this a known problem with the radio sensiors in the rear windows ?? Any help greatly appreciated !!!

PFZ
 

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I can think of a couple of possibilties:

The audio cables that run from the CD unit under the seat up to the amplifier in the radio should be shielded; that is, the conductors are surrounded by a braided shield, like in an antenna cable. If the shield is not properly grounded, the shield won't work, and AC whine from the alternator may be picked up by the audio cables.

Another possibility is that a fault (bad diode) in the alternator is causing it to produce excessive AC that's entering through the power wiring.

Maybe I'm wrong, and someone else can tell you exactly what the problem is, but it's something you can check.

Good luck!
 
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