Re: Car Alarm: LED Flashes to beat of stereo

["Stanley Barthfarkle" <sbarth@xxxxxxxxx>]

Voltage induction. Your LED wire is probably run next to a speaker wire. The
varying voltage from the speaker wire is "inducing" a small amount of
voltage onto the LED wire. Do a google search on electro-magnetic induction.





"Sam" <none@xxxxxxxx> wrote in message
news:SMhcf.441004$oW2.244572@xxxxxxxxxxx
>I have a Black Widow 1800 Car Alarm installed in my Mazda3.  Everything
> is stock inside the car. I noticed the other night  while sitting in the
> car and listening to the stereo that the LED was flashing to the beat of
> the stereo. The heavier the beat, the stronger the flash.  I only had
> the ignition in the ACC position.  This problem is not always easy to
> replicate; however, it shows up most of the time.
>
> The car installer said that he's never heard of this problem before.
> Any thoughts?
>
> Thanks
> Sam
>
>