How To Test A Fuel Pump Relay Switch

A fuel pump relay's job is to take some of the voltage load off of the wiring harness to allow a better current flow from the battery to. In this video I show how a fuel pump relay works and how to bypass yours I also show how to rewire your fuel pump for an.

What happens inside a relay isn't magic but it is important Understanding how the relay works will help with diagnosis and. Explained on automotive air conditioning relay for comprressor magnetic clutch.

Here is a video on how you can test a Relay with or without a diagram I cover 3. 4 and 5 pin relays and all you need is a 12v.