Fuel pump relay wiring?
I'm running a speed/density 5.0 HO in my '84 Toyota 4x. When I wired the fuel system into the harness, the diagrams I had weren't clear for the fuel pump relay. So I left the computer out of the circuit and ran the relay from a key operated circuit. It works fine, but the pump won't shut off when engine off and pump on, it bypasses. The engine is out of an '87 Mustang, the pump is a Carter 25% over stock replacement, and the lines are 3/8" feed and return. I'm pretty sure that the speed density computers are all basically the same. What in the Ford system shuts the pump off when pressure is up. Also, does anyone know where I can source an accurate diagram of this. I originally thought that the pump had an internal switch, but this is the second(of 2 pumps)that doesn't. The fuel pressure is on the money for application. The diagram I had was out of the Haynes (Mustang) book, and the circuit from the relay went everywhere other then to the fuel pump.
P.S. I'm here because it's all Ford running gear, tranny and t-case are late Bronco, and the axles are early Bronco.