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