where can i find a vacuum hose diagram for a 2000 GMC JIMMY v-6 4.3 with over drive.?

[sassypooh36]

i have a vacuum hose off and i'm not sure where it connects..i think it might go to the 1 to 1 lock up or the overdrive..but i need a picture or a diagram to go by to hook it back up..my jimmy idles rough now.