why does my sound system in my car humm?
i have a sound system in my car and when the car is on the speaker box in the back there is a humming noise from my speakers. and when i accelerate the humming gets louder. it is weird and would like to get to the bottom of it
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the same thing happened to me. if you have an amp, it may be because you have the rms? wire(s) on the same side of the car as the power wire. make sure the wire that connects the amp to the stereo is on the opposite side of the car as the power cable to the amp. also make sure the ground wire and the power wire arent touching each other. the humming may be getting louder if you have a setting set on where when your car gets louder (acceleration) your stereo sound is louder
99.9% of the time it means you have a bad ground or no ground wire at all.
feedback, try installing capacitors.