the original echo board in this radio went bad( eptoss) is on this board i have an echo board out of a galaxy 88 which is a (eptossb50b) can i put this board in place of the other one it look to me there be a lot of parts swapping from on board to the other to make it work my second question to this post is?? deos anybody out here no where i can get a new or a good used original saturn echo board i would rather just go that route thanks for any replys!!!!!!!!!!