When you check continuity, you are confirming there is a connection between two places. In this case, it is the unbroken and consistent connection between the start of a wire and the end of it. You can use a basic multimeter or voltmeter.
Take a look at the following link. You will be checking for a complete circuit with little to no resistance. It explains checking resistance using the ohms setting on a multimeter.
https://www.2carpros.com/articles/how-to-check-wiring
Let me know.
Joe
Friday, January 1st, 2021 AT 11:36 PM