Thinking about purchasing a new car? Use our new Car Loan Calculator to estimate your monthly car payment!

What Is a Car Relay Switch?

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

A car relay is an electromagnetic switch that allows a person to run a higher current application than that which would normally exceed the capacity of a standard toggle switch. Discover how the relay is closed to allow current to flow between pins with help from an auto mechanic in this free video on car repairs.

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.

More Articles