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Old 07-07-2012   #12
secondchance
 
Join Date: Aug 2006
Location: McLean, VA
Posts: 3,705
Default Re: Please help with alternator whine in speakers and popping noise when powering on/

Scottfab,
I stand corrected. It has been a while since I graduated - yes, it is microfarad.
My first enclounter w/ alternator while was in 1980 when I installed Mitsubishi electronic head unit w/ 4 channel, 100 W Mitsubishi amp in my first Corvette - 1979 L48 car w/ mighty 185 horses.
I rewired hi-fi unit a dozen times over in 12 months period trying to rid the system w/ the whine. Eventually, one of the installers I was talking to suggested running a capacitor. This solved my issue.
I ran into a same problem w/ my 94 Z. All I know is it worked. $5 and 10 minutes is worth a try.
Ground loop isolators solved my popping issue as well.
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