by pennyman1 » Thu Oct 29, 2009 6:18 pm
Make sure your ignition wires aren't arcing; the amp will pick that up too. Also ground the amp case and radio to the battery will help also. They do make a filter that hooks up to the alternator to filter the output, but if the noise is that bad from the alternator, its got a problem.
Pennyman1
Living the D-50 life since 1980
The best Dodge that Dodge never made