E 150 1/2 Ton Van V6-4.2L VIN 2 (1997)
Horn Relay: Testing and Inspection
Horn
1. Connect a jumper wire to the horn bracket and a known good ground.
NOTE: Use two No. 10 (or larger gauge) jumper wires to test the horn.
2. Press the horn switch. If the horn sounds, repair the grounding point. If the horn does not sound, proceed with testing.
3. Connect a second jumper wire to the horn positive connector and the positive battery terminal. If the horn still does not sound, replace the horn.
4. Repeat test for second horn, if so equipped.
