hopefully the gurus out there can help me solve this. I have searched alot of the posts re: my symptoms/problems. About 30 min out if we are running the stereo at higher volume while riding it will begin to cut out and then if volume is lowered it will come back on ie insufficient power to draw upon. I have been running this stereo for two years and this was not a problem in previous years. I have two batteries, one stock for the boat and a second isolated for the stereo. I thought it might just be the second battery (for stereo) was bad so I replaced it. Next time out same thing happened. So now I'm trying to figure out which of the following could be causing the problem: 1. Original stock battery - could it be going bad and the draw to it from the alternator is not leaving sufficient for stereo. This battery is about 2.5 years old with 160 hours. 2. Alternator problem. Do alternators go partially bad before they totally give out? I'm not inclined to upgrade unless it has gone bad since it served me well for two years. 3. some combination of problems 1 and 2 4. I'm clueless and it is something else. thanks for any ideas. Also, anyone know a reliable mechanic in Discovery Bay area to take this to?
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