Quote Originally Posted by 1967Killer View Post
First off on a1228062 or 1227747 ECM what does the green/white wire in A1 do? DOES it turn the relay on at all or have I done something to my bin to mess it up? I didn't put a oil pressure switch in my harness and from the way the print looks it's what runs the fuel pump.
I believe A1 is the signal to FP relay and activates the pump to purge the fuel system prior to engine start. The oil pressure switch is a safety device which maintains power to the fuel pump unless oil pressure is lost. Have no idea what you may have or have not done to your bin.