Did I fry my car's electronics by turning it on while battery is charging?

  • Thread starter Thread starter James Neufeld
  • Start date Start date
J

James Neufeld

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I am charging my car battery right now, and I turned on the radio and all I got was a loud buzzing noise, and then i tried to use my wipers and all it did was make a horrible buzzing noise. this was all done with the battery charger on. did I fry my car's electronics?
and when i turned the charger off and then turned the radio on, only one speaker worked. is this normal? it's a new stereo, just installed today.
 
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