My 2002 Lincoln Ls Horn does not blow at all times. sometime it will work but sometimes it will not, seems like a shortage, steering function are not working properly, radio shuts off and on, AC is starting to not blow cold air and car shuts of while idle.
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That's a short inside the steering wheel.Take it to a mechanic,preferably Lincoln/Mercury or Ford dealer.There's an airbag system there to worry with. don-ohio
IF you horn isn't work. Does your radio and crus control buttons on the steering wheel work? My lincoln ls it started with the horn the the controll then the air bag on the steering wheel. There is a modual in the steering colum behind the wheel that controlls all of it. the part is about 145. or the dealership well charge 300 to fix it.
If the alarm makes the horn work, then it is not the relay. It is the horn contact or slip ring. You need to take the cover off the steering wheel center. But this could be dangerous due to air bags. Disconnect battery first. Steering wheel might have to come off. Recommend a shop because most people don't have the tools for pulling steering wheel.
it is doubtful the horn fuse is the problem, it is more likely the clock spring contact under the steering wheel, the fuse for the horn is located in the underhood fuse box,
Fuse #4 15A* Horn
its probably the compressor cutoff switch cutting your compressor off at the wrong time and causing your ac to blow hot. that switch is under your hood right on top of the engine easy to get to. I hope that helps you out!
change out the clock spring. i had this happen to me google the lincoln ls clock spring installation and then go to the dealership and purchase the part. it will run you about $138.
Check your fuses first, if it isn't a fuse it is not a do it yourself situation. The lincoln stearing wheel has a ton of electronics in it along with the air bag.
You have a bad clock spring. This is located behind the steering wheel and all electrical functions from steering wheel must go thru it. Pretty common problem on this model. The steering wheel and the steering column trim would have to be removed to replace it.
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