Mount relay on firewall of engine compartment using a sheet metal screw. All 0 5v sensors require a 5 volt reference voltage and a sensor ground.
Holley Alternator Pigtails 197 400
Holley power tap wiring diagram. Wire the signal output wire from a 0 5v sensor to the appropriate pin using the holley wiring diagram. We have everything you need to build or service your holley efi powered machine. 3 11 important wiring dos and donts. Introducing the holley efi wiring shop. Holley performance products has written this manual for the installation of the pro jection 4d and 4di fuel injection system. You will need holley fuel pump relay kit pn 12 753 or equivalent 4 wire relay.
These need to be properly wired to each 0 5v sensor used. This manual contains all the information needed to install this system. Disconnect the cables from the battery. Featuring items from multiple holley brands the wiring shop is your one stop place for everything needed to work on your aftermarket fuel injection or high performance ignition system. Whether youre building a harness from scratch replacing an old connector or installing a new sensor holleys wiring shop has the tools and equipment you need. We have one goal to provide you a one stop solution for all of your wiring components needs.
Wiring the fuel pump with a relay. Please read all the warnings notes and tips as they contain valuable information that can save you time and money. From connectors and pins to wire loom and tools. Each holley efi connector that has 0 5v inputs has its own 5 volt reference voltage output and sensor ground. This manual contains information and diagrams related to wiring most holley efi products including ecus ignition systems nitrous systems watermethanol injection systems sensors and more. Black nylon braided wire loom from 18 to 2 and every connector pinssealstpa included we utilize on our main harnesses are now.
Before punching or drilling a hole in the firewall make sure you know what is on the other side.
Gallery of Holley Power Tap Wiring Diagram
