I have an 02 Yukon XL did an aftermarket radio install I have no sound I do not have a Bose system I do not have OnStar and I also do not have steering wheel controls I have cut the pink wire and hooked it up to the remote wire from new radio and still no sound I have even ran a jumper wire straight from the battery to the pink wire and still no sound I called local car stereo place they said the part I need is $120 has anyone had this problem and fixed it without spending that much $$$