I have a 02 GMC that i just did the pump. Not sure what you need since i did not read the posts but PM me and maybe i can help with what i learned or seen. Mine has the EVAP system if that means anything.
08 TT FJC
82 Scrambler (Scraps)
81 Scrambler (Sassy)
69 Maro... next project when the Jeeps get done.....