'07 H3; Aftermarket radio installation

[96TL]

Originally Posted by JAYB1RD

I have the soundgate digistar in mine, no cutting of the factory wiring required. Sometimes I get a bit of noise interference when using onstar, but most of the time it works just like it's supposed to.

I can't answer your 2nd question, but I'm sure the manufacturer of whichever interface you choose should be able to answer that when you're ready to order.

Are you using aftermarket amps or stock?

Thanks.