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How to Check a Fuel Pump Relay

by J.B. Hebert; Updated September 18, 2017

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 the fuel pump. Determine whether a fuel pump relay is bad and needs to be replaced with help from an auto mechanic in this free video on testing car performance.

About the Author

J.B. Hebert is a machinist, metal fabricator, and auto mechanic who has been fixing and modifying all things mechanical for over 20 years.

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