Alternator whine

[Lwile]

Hay guy I got a question I have a pioneer radio in my 09 Tahoe and I am getting a noise /whine through the speakers While using XM radio only it is the original xm Module it’s a none Bose no amp any suggestions thanks

 

[Joseph Garcia]

Is this a new whine issue on an existing Pioneer radio installation, or is this a new installation of the Pioneer radio, and the whine existed right from the completion of the installation?

 

[Lwile]

It been Doing it every since I put the radio in the radio is a pioneer 2330 with a idata link mistro rr

 

[Doubeleive]

I would try moving the ground on the xm module

 

[Lwile]

Wear is the ground for xm module ?