1997 ford explorer 4.0L the horn does not work

Posted by mellassi on January 17, 2014 under Domestic | Be the First to Comment

First step is to check fuses in the power distribution box. If fuse is OK, check horn itself and see if it has good ground and power voltage when the horn is depressed. If power an ground are OK, replace the horn.

If ground is missing, fix ground wire, if power is missing check the horn relay and make sure it has ground on the Y/LG wire when the horn switch is depressed. If it does , check for 12v on the Dark Blue (DB) wire while the Y/LG is grounded. If there is no voltage, replace the horn relay.

If the Y/LG wire is not grounded when the horn switch is depressed, the problem is at the horn switch.