Question about 2004 Chevrolet TrailBlazer
There are two horns on your vehicle. A high tone horn and a low tone horn. Sounds like the high side went bad and needs replaced...you can get these horns at almost any parts store. I personally recommend freeway blasters they are louder than most factory horns and sell for around 20 bucks a piece, also if you choose to replace the bad horn I would just go ahead and replace them both if you can afford it.
Posted on Aug 20, 2013
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Posted on Jan 02, 2017
behind the airbag is the horn switch i dont reccomend checking the the switch unless you know how to disarm the srs systems but i accidently leaned on it once pushed the plate in and when i pushed on it it went off but if i took my hand off it it would go back on otherwise their could just be a simple short
Posted on Feb 22, 2009
wires from the horn run down the steering column and pass the area where the shift linkage is also in the column. its either a loose wire, or a chafted wire inside the column. Be VERY careful working on this if you have airbags. they must be disarmed before you work on the column.
Posted on Mar 14, 2009
SOURCE: 2000 Tahoe Horn broken
You can remove the horn relay and use a Ohm meter and check the resistance between the horn relay connector terminal No. 86 (Black Wire) and ground. If the ohms are less then 5 ohms replace the horn relay. There are a lot more tests but as Polarcycle states you can do what he suggested other then I believe you have two horns in this vehicle.
Posted on Aug 03, 2009
In most cases this problem is caused by the rotating ribbon circuit contact under the steering wheel having a broken filament, the part is known as a clock spring contact, u will need to properly disarm the airbag and remove the steering wheel to access the part. WARNING: Failure to follow factory Airbag disarming protocol can result in an unexpected Airbag deployment and possible serious personnel injury or death.
Posted on Aug 04, 2009
It may, or it may have two triggers for one horn - one for the alarm and one for the horn button on the wheel. You'll want to check the horn fuse and if it's good, have a pro service the malfunction, as repair will involve handling and removal of the airbag - not recommended without experienced hands helping out.
Posted on Dec 09, 2009
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