FITech fuel pump circuit
Does anyone know how this circuits works ?? Is it simply a key on circuit or does the ECM use something like a tach signal to trigger power to this lead?? Was looking to make sure if the engine stopped power was cut to the fuel pump. Or do I need to add an external switch to cut power to the pump if the motor dies or, and I hope it never happens, I'm in a wreck.
67 'Bird vert 455 JW TH400 KRE d-port 310 cfm heads H-beam rods Comp Cam 305-AH-8 cam w/1.65 rockers Ford 9" 3.55 Detroit Locker M/T Radials 31x18x15 on Convo Pro 15x15s