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Old 03-30-2003, 02:38 AM
LNP LNP is offline
 
Join Date: Dec 2002
Location: Glen Rock, NJ, USA
Posts: 7
LNP is off the scale
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You are hearing alternator whine. First, check your grounds. Make sure they are clean and on the frame. Second, if you ran your audio RCA cable alongside the power wire then separate them. Finally, get a "ground loop isolator" and put it in-line in between the RCA out and the input of the FM modulator and RF headphone transmitter.
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