Re: '07 H3; Aftermarket radio installation
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.
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07 H3 - Victory Red with black & tan cloth interior, 305 Mickey MTZs, rock rails, brush guard & lighting, and a loud stereo
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