Horn Relay: Testing and Inspection

Normally-open type B:




1. Check for continuity between the terminals.
- There should be continuity between the No. 1 and No. 2 terminals when power and ground are connected to the No. 3 and No. 4 terminals.
- There should be no continuity between the No. 1 and No. 2 terminals when power is disconnected.




Horn relay - Type 1




Horn relay - Type 2