I run a holley black pump right off my battery through a fused 15 amp switch for fire protection the fuel pump should be wired through an oil pressure switch to kill the pump. The long wire runs in these kinds of installations can sometimes result in a voltage drop at the electric pump.
Carter Electric Fuel Pump Wiring Diagram Diagram Base Website
Holley fuel pump relay wiring diagram. To complete the installation connect the ground black lead to the battery. Holley pn 12 753 can be used with any electric fuel pump as long as the current load. Do not use improper crimping tools. This holley kit is intended primarily for those applications running an electric pump. Spade 87 red fuel pump wire spade 85 ground spade 30 to battery with 15a inline fuse spade 86 to toggle switch in car. Holley blue fuel pump and relay wiring ss396rat.
You will need holley fuel pump relay kit pn 12 753 or equivalent 4 wire relay. Figure 2 wiring the fuel pump with a relay. Connect the fuel pump red lead to a 12 volt ignition source. 6 of 38 black braided split wire loom has also been included to keep the wires protected and your engine bay clean. Holley fuel pump relay wiring diagram. In this line add an in line fuse holder and a 75 amp fuse.
A handy diagram for explaining things thanks. Holley pumps have been powering race champions street machines boats and more for over four decades. A2 fuel pump out 12v 10a max b2 iac a hi. This harness includes the switched 12v power wire main battery power and ground fuel pump relay coil input wire and magnetic distributor input wires. This manual contains information and diagrams related to wiring most holley efi products including ecus ignition systems nitrous. 08092018 08092018 2 comments on holley fuel pump relay wiring diagram.
A wiring diagram is a simplified standard photographic depiction of an electrical circuit. If current levels exceed these use the appropriate relay or solenoid drivers. Variety of electric fuel pump relay wiring diagram. Wiring harnesses and relays. Home air fuel delivery fuel pumps regulators and filters fuel pumps efi fuel pumps. How to wire a fuel.
Installation of this kit is good insurance that the fuel pump will be receiving full voltage from the battery. Supply your holley carb or efi with a holley pump today. It shows the elements of the circuit as streamlined shapes and the power as well as signal links in between the gadgets. So the red on the safety switch would plug into the relay 85 or 86 on the relay when safety switch is closed and power was going through it power will be delivered to the relay which would trip it and then the relay could supply power to the high amerage device fuel pump in this case through its 30 in and 87 out terminals.
Gallery of Holley Fuel Pump Relay Wiring Diagram
