Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Horn Relay: Testing and Inspection
1. Connect terminal 4 to 12-volt battery source.
2. Connect terminal 1 to battery ground.
3. Check for continuity across relay terminals 1 and 2. If there is continuity, relay is serviceable. If there is no continuity, replace relay.
