P38A Radio produces a high pitched tone - is there a cure?

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The radio on my P38 MY2000 Autobiography/Petrol/Auto produces an irritating high-pitched tone which is present whether tuned to radio stations or in CD mode. The radio station or CD can be heard - but with the high-pitched tone overlaid...

Anyone experienced this? Any ideas about the cause? Is there a possible cure - short of replacing the radio unit?

TIA
 
My lad had a similar thing to this on the rear door of his 38', the connector blocks behind the footwell in the passenger side had corroded. After cutting them out and soldering the wires it cured the noise and stopped his suspension freaking out as well. If you haven't done them yet, do both sets in both foot wells. ;)
 
I have a bit of a whine from the radio in my 99 as well. Don't think I notice it if I turn up the volume. Tried a capacitor from + post to ground in case alternator had some AC leaking out but did not help. Maybe wrong value. Not tried anything else.
 
Left or right side, or both ?

+1 on the connectors in either left or right footwell. The feeds to the amplifiers are balance pairs, so if one wire fails you still get audio, but also interference from ignition, alternator, etc.
 
pwood999 said:
Left or right side, or both ?

+1 on the connectors in either left or right footwell. The feeds to the amplifiers are balance pairs, so if one wire fails you still get audio, but also interference from ignition, alternator, etc.
Click to expand...

Seems like it's both sides. Sorry, didn't understand your comment about "+1 on the connectors in either left of right footwell"...
 
tomcat59alan said:
That's @Mark Piercy ;):D:D
Click to expand...
What have I told about saying things like that on the open forum.... Jesus wept...
face-palm-emoticon-vector-12786472.jpg
 
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