Hello.. well today I bought an aftermarket radio, I went to install it and then realized that I cant do it cause montes have to have a wiring harness.. I have an 03.. anyone know where I can buy a cheaper one? I found one today but it costs as much as 125 bucks.. YIKES!!! plus I also need the antenna adapter feel free to PM me if you must.. thank you

 

you can get them all day for half that price from sonic electronix, look for the scosche gm09sr. they have the antenna adapter too, shouldn't be more than 5-10 bucks

........as long as you don't have onstar