detroitdb Posted January 21, 2018 Report Share Posted January 21, 2018 Ok, sorry for the vague topic. Ok so recently rewired rebuilt etc. About a month ago was cruising full tilt no problems pure bliss. Then out of nowhere i started hearing these louds pops screaches etc. From all speakers including subs. So i immediately shut it down. Went to work. Went home parked car. Let sit for the last 6 weeks. I get into it today system still powered down noticed voltage falling. I go through all wires connections etc to insure all good. So firstly alternator is fried for sure. My question is this. Will a bad ho alternator cause a loud screech through the speakers? I powered up and it was screeching crazy. When car is off theres no noise buzzing of any kind. Im replacing alternator tomorrow. Im asking just in case. Thanks all https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
Ron36 Posted January 21, 2018 Report Share Posted January 21, 2018 As a technician I’ve run into a lot of wierd noise concerns through the radio and yes have seen a few alternators cause noise through the speakers, U could take your belt off and run the system and see if it goes away but don’t run it long car will overheat, or just run the system with the ignition on . 2022 Ford Maverick on 22’s Skar SK1500.1 on 4 Skar VD-8’s Mids Sundown Super tweeters, Skar TX 6.5 components on Skar SKM400.4 LC2 for audio control , XS Power D680 XS Series Extra Battery Link to comment Share on other sites More sharing options...
detroitdb Posted January 21, 2018 Author Report Share Posted January 21, 2018 I'll try that as well . I tried with ignition on engine off and no noise whatsoever. Definitely one good thing about having 6 batteries is you can drive on a bad alternator down to 10 volts lol. https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
detroitdb Posted January 21, 2018 Author Report Share Posted January 21, 2018 Ok, so 5 hours of labor later, put factory alternator back in. Problem solved!!!!! Charging good 4 now and no noise!!! https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
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