TSB on radio problem
 

I have what sounds like a Charging system humm coming thru my stock Mach 460 system.
This is a new problem that has only started occurring on damp days or after washing the car. On the damp days it stays for the entire duration. After washing the car on a dry day, It usually only lasts for a short period of time. I may have a poor ground but am not yet sure where to look.
I saw in the recall section of this site that there was a TSB for 94 Mustangs regarding a radio noise, but I am not sure how to look at the TSB (I can't Click on it).

Anyone know what the problem was and the fix for it??? Hopefully this isn't something I have to dig for to find and fix...


Thanks in advance
Sean