88 mj/xj radio wiring diagram?

does anyone have a wiring diagram for an '88 mj? PO hacked the hell out of the harness and I can't make any sense of it. had the new radio powered up and playing thru one speaker. redid it to try and get all the speakers firing and now I have nothing....... I hate driving around with no tunes.......

this should help

http://www.the12volt.com/installbay/stereodetail/1150.html

they're usually pretty accurate, this is a pro installer go-to site for wiring colors.

sweet! thanks for the help