Curious if there are other methods besides using a circuit tester pen.
What would be your definitive method for testing if a relay is bad?
Curious if there are other methods besides using a circuit tester pen.
What would be your definitive method for testing if a relay is bad?
Look at the diagram on the relay. Find something that works with the same diagram. Switch them and see if the other thing stops working. In my years as a mechanic I’ve only come across main relays that have gone bad really. The other two burned out and you could smell them.