I'm going to put my pioneer head unit my 98 GS and I called to get a wiring harness and the guy said I would have to bypass the infinity amp. My first question is, is that hard to do? I don't really feel like paying $50-$100 just to get it done. I'm experienced with car stereos but I'm not an expert so I don't think it should be that hard but I could be wrong. And my second question is, where is the amp located? The guy said it was under the passenger seat and I took a quick peek down there and all I could find was a connector that I haven't really inspected yet so I don't know what it is for. I haven't really searched for it yet and was wondering if somebody could tell me where it was and what is the easiest way to access it. Any other information from anybody who has done this themselves or knows about it would be greatly appreciated. Thanks.