Quote:
Originally Posted by j cAT
If the noise and distortion is when the engine is running this may indicate an ignition failure. arcing will generate radio freq. noises. these can enter the 12volt supply or antenna of the unit to cause this.
try another dealership with a vehicle like yours , see if it is just in your vehicle. cd and fm is not common in amplifier circuitry. xm sat radio would be digital. fm analog..cd is a digital to analog converter to then create sound power. analog circuits can pick up RF interference.
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Thanks for the reply,
The distortion/noise occurs all the time, ignition off or on, engine ruinning or not.