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Dropping volts

Ziploc

Well-Known Member
Mar 19, 2016
299
136
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Need help guys, I’ve been running a 2 pill 1446 in my truck forever. Here recently when I key up and modulate my needle drops on battery gauge on truck and almost shuts it down at times. Never ever a issue . What’s going on ? Thanks also battery is brand new .
 

Back in the day, I had a big stereo system in my car. About once a year, it would blow one of the rectifier diodes in the alternator. But it wasn't a major problem, because I had the lifetime warranty replacement from Pep Boys. They lost a lot of money on me. Haha!
 
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Unfortunately it’s doing it again. At my wits end. Was thinking is there a component in the amp that could be causing this
 
If it is dropping that bad under load its almost guaranteed the alternator or voltage regulator ( if external) that has died
 
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  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.