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FM Noise interference


Brian P

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I get engine/ ignition noise coming thru my FM signal on my Kenwood. I DON'T hear it on CD, Sirius, or when there's no sound (flipping thru FM channels) What can I do to eliminate this?

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have you tried unplugging the antenna to see if there's any noise? (other than static) It could be bad insulation on the antenna wire.

 

x2, your antenna is probably grounding out to the fender

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hmm so the antenna is NOT supposed to ground to the body? I'll have to check into this.

 

No, it shouldn't be grounding to the body, because all your other electronics are grounding to the same thing and your tuner is now part of a "ground loop"

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something must be up. This morning I grabbed the antenna and let it move around on its rubber base, and it felt like it was rubbing on the metal body perhaps. Then the interference got worse, to the point I just listened to satellite radio on the way to work (ugh). Gonna take it apart asap I'll let y'all know.

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if you find a solution please post any relevant info, I can hear my turbo spool through my stock stereo and I cannot for the life of me find the problem, but when I use an aftermarket deck everything works as it should. I think I may have a bad stereo but want to be sure, I don't want to replace the unit for nostalgia reasons. Thanks!

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do you have a sub hooked up or a namp. Is it a winding noise whe nyou hit the gas the frequency increases?

 

If so its a bad Amp Ground. happens when whe n it isnt grounded. Had that issue on my Cutlass, then just grounded it somewhere else.

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