We recently lost all 12volt power in our van after hitting some bad roads into Griffith NSW - all the fuses where ok checked with a trouble probe lamp and found no power was coming to fuse board . Had me foxed , called into Jayco Griffith, the guys pulled out the fuse board and found a wire had vibrated off the back of fuse connections ,easy fix - Phew . This post is for the info of anyone who may have the same problem some time from rough roads and also a good rap for the boys at jayco griffith .

thanks Paulo for the heads up
jay&Dee

This can happen in many things.. Pretty much exactly same thing on my 700 H.P Falcon..
The fuse to fuel pumps did much the same.. Just tightened end holders .. Fixed...
Have since put some tape over them..