Question about 2002 Buick Regal
You need a test light to see if there is power and earth going to the horn when the switch is pressed,, if the live and earth are present you need a new horn if they or one of them are missing you will need totrace back from the horn to find either a broken wire or a faulty switch ,,, hope this helps
Posted on Feb 11, 2012
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Posted on Jan 02, 2017
remove cowling under hood to expose wiper motor linkage. You have to try it many times but the linkage may not be attached in the correct arc position. Trial by error.
Posted on Jun 30, 2009
Take the horn button assembly apart--there should be only one wire there (goes to the horn relay) and not be grounded. It goes to the insulated metal part that grounds the plate when button pushed. Unfix the grounded wire and see if horn is quiet. You may need to replace that wire if it still sounds.
Posted on Jul 19, 2009
SOURCE: My horn stopped working on
dont have the specs for your vehicle horn should have a re-lay also there is more then one location for fuses under hood left foot kick box under dash in lines vehicles have fuses, re-lays and circuit breakers (they are supposed to self reset) you can also try the owners manuel it should also have a diagram of fuses
Posted on Jul 29, 2010
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