When designing an EFI harness, the power supply logically should often be the first section you consider. This is just one small piece of knowledge from a detailed course.
Your power supply has the largest overlap and influence on other sections of your harness/loom design and is often also the most complex part, so it’s good to get it out of the way right at the start. Zac runs us through making a list of your 12v components such as your ECU, ignition coils, injectors, fuel pumps, cooling fans and accessories such as loggers, dashes and sensors before explaining which components need to be controlled by what, the importance of selecting the correct gauge wire and more.
Want to learn how to wire like a pro? Check out our next free live lesson.