Will steering wheel controls work with aftermarket head unit?

Like the title says, I am thinking about getting an aftermarket head unit and was just wondering if the controls on the steering wheel would work with it.
Thanks,

Andy

You'll need an interface module like at the link below.

Click here (http://www.3800performance.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=PAC-SWIX&Category_Code=EB&Product_Count=16)