any body out there have a diagram/instructions for the original factory option roof rack ? i need assembley instructions because someone from ck5 was nice enuff to send me theirs that they no longer wanted . is it possible it is located in a factory manual, i know it was dealer installed. please some one help me out. thanks. darrenolander galva,il. 1979chevycheyenneblazer 350/350 gettin'down on all fours, 4 a'little x4 play !