Horn Relay: Testing and Inspection

1. Remove horn relay from the Junction Block.
2. Using ohmmeter, test between the Junction Block relay terminal 7 and ground for continuity
a. When the horn contact is not depressed, no continuity
b. Continuity to ground when horn contact is depressed.
c. If continuity is not correct, repair horn contact or wiring as necessary. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds.

3. Insert a jumper wire between terminals 8 and 10 of the horn relay in the Junction Block.
a. If horns sound replace relay.
b. If the horns do not sound, install horn relay and refer to Horn Test.

4. Using voltmeter, test battery voltage:
a. Test Junction Block horn relay terminals 6 and 8 for voltage from fuse 8.
b. If not OK, repair as necessary. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds.