Grand Caravan FWD V6-3.0L VIN 3 (1999)
Horn Relay: Testing and Inspection
1. Remove horn relay.
Horn Relay
2. Using ohmmeter, test between relay connector terminals 85 to 86 for 70 to 75 ohms resistance. If resistance not OK, replace relay
3. Test for continuity between ground and terminal 85 of horn relay.
a. When the horn switch is not depressed, no continuity should be present.
b. Continuity to ground when horn switch is depressed.
c. If continuity is not correct repair horn switch or wiring as necessary, refer to Passive Restraints for Driver's Airbag Module Replacement.
4. Using voltmeter, test voltage at:
a. Terminals 30 and 86 of the horn relay to body ground.
b. If NO voltage check fuse 7 of the BCM.
c. If incorrect voltage repair as necessary.
5. Insert a jumper wire between terminal 30 and 87 of the power distribution center.
a. If horn sounds replace relay
b. If the horn does not sound, install horn relay and refer to Horn Test.
