Chuck, I have been using the safety switch on the air horn to get the fuel pump to run. That is how I have been able to make my pressure measurements and perform fuel flow capacity via the fuel return line at the fuel distributor. Does jumpering 30 to 87 on the fuel relay do something different than supplying 12vdc to the fuel pump? I have been using the safety switch so I didnt have to look for the infamous fuel relay.....