p.s. im a tech for a european repair shop the lead tech only tech etc....so i have all the tools i need just kinda stumped the pcm relay is fine and working like it should tryn to find a schematic to follow the load wires and seee where they go now let me know if any one can help.....i will glady help you in the future

 

for one thing, bumping a story that is 1 and 1/2 years old is not going to help, and two, your posted in the wrong forum, try doing a thread in the A4 section. start off by saying, " no start and code P0688"..

which btw is a ecm/pcm power relay sense circuit open code..