Horn Relay: Testing and Inspection
1. Remove the horn relay (A) from the engine compartment relay box.2. Check for continuity between the terminals.
3. There should be continuity between the No.1 and No.2 terminals when power and ground are connected to the No.4 and No.3 terminals.
4. There should be no continuity between the No.1 and No.2 terminals when power is disconnected.