Where is the supply wire for a fuel pump?
At the wiring you need to find the 12v supply wire from the ECU to the fuel pump. Once that wire has been found cut that wire so that you now have half of that wiring running to the fuel pump, and the other half running to the factory ECU.
How many pins does a fuel pump relay need?
The relayyou need should be a four-prong relay with at least 14-gauge wiring. You do not want to get a relay that cannot handle the amperage that your fuel pump might pull causing the relay to fail, and you to be stranded on the side of the road. Wiring in the Fuel Pump Relay The relay should have 4 pins on it.
Where is the universal fuel pump on a car?
A universal electric fuel pump can usually be mounted to the frame and wired to your ignition circuit to pressurize the fuel system as soon as you turn your key. This helps your vehicle start more quickly than relying on a mechanical fuel pump operated by turning the engine over.
Where can I buy an electric fuel pump?
If you need a fuel system component, shop O’Reilly Auto Parts. We carry electric universal electric fuel pumps, fuel pressure regulators, and other fuel system parts for a complete fuel system repair.
How big is a 12V universal fuel pump?
Electric Fuel Pump 12V Universal, portable lightweight small size and self-priming designed, compatible for all 12 Volt Cars, Trucks, Boats & Generators, Ford, Cadillac, Buick, Oldsmobile. Low Pressure Inline Fuel Pump, Output Pressure: 5 – 9PSI, Voltage: 12 V, Hose Size: 5/16 Inch, Flow Rate: 30 GPH, Currents: 1-2A.
Where to run ground wire for electric fuel pump?
Preferably, run a ground wire to the front. Many professional auto electricians will run ground wires from a unit to a common grounding point in an older car, just like in a fiberglass car. That way, there is no question if your ground is good, and it’s just 1 extra wire…
What happens when you hit the starter on an electric fuel pump?
The switch will also let the pump run when you hit the starter because the engine doesn’t have oil pressure yet. One wire goes to the pump, one to the start circuit, and the other to the ignition circuit. So, when there is no oil pressure, the switch connects START to PUMP, and as soon as you start cranking it runs the pump.
Is it dangerous to use an electric fuel pump?
Electric fuel pumps can be dangerous? Yep, without some way to automatically shut them off, they can be VERY dangerous. But they don’t have to be. If something lets go in your engine bay like a fuel line, the engine will eventually quit.