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Re: 01 Chevy Tahoe Horn Replacement
Just the one bolt that holds it in place and the wires that unplug.. you need to test them though and have someone honk them while you are testing the wire to each one to see if your light lights up make sure its not something else.
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the horn on a 2001 chevy mailbu is located behind the passenger side front fender. you need to remove the dust cover from the bottom of the fender in front of the tire to gain access to the horn(s) there should be 2 horns.
First off take the horn pad off the steering wheel be careful if has air bag ground your self with a wire so know static lift pad off disconnect the wire see if horn stops if so the horn pad might be collapsed and letting it make a ground this will set horn off
1Buy a horn kit. Direct replacement kits for the Jeep Grand Cherokee models will have only one horn, but many aftermarket kits consist of two horns.
2Locate the original manufacturer's horn. The horn for the Jeep Grand Cherokee is mounted under the right turn signal behind the front bumper. The easiest way to access it is from underneath the front of your Jeep.
3Disconnect the power connector from the horn, unscrew the mounting bolts with a socket wrench and remove the original horn. If you are installing a factory replacement, you can simply attach the old wiring harness to the new horn and mount it in the original location. However, if you are installing two horns, you will need to find a sturdy location with minimal vibrations.
4Splice the original pair of wires to the two horns according to the instructions for the new horns. The kit should include the connectors that you will need. Generally, you will splice a Y connection to each original wire to produce two pairs of wires that are connected to a new wiring harness. You will then connect each harness to one of the new horns.
5Test the new horns to ensure they work.
*I've done this myself on a few of my Jeeps, these directions are the simplest though, but do not take into account any "issues" . For the simplest fix, i would by a replacement horn (same year and model) from a breakers and install, if you're brave you can buy a cheap one form amazon or ebay.
This is a challenging repair but you can do it yourself if you are comfortable with the following instructions. For tools, you will need a voltmeter, a set of allen wrench screw drivers and a set of wrenches. The horn on a Chevy Tahoe operates with the use of a relay. This means that the power for the horn is received from the fuse block under the hood. Power from the fuse block runs to the horn relay. The commonly open end of the wire goes to the horn. The horn is then grounded to the frame. Power to the activating terminal of the relay comes from the Body Ride Control or from the accessory side of the ignition switch. The negative side of the relay runs through the column to the clockspring. The clockspring is also used for the air bag system. The wire then continues to the steering wheel air bag where it is attached. As the air bag is pressed, it causes the wire to ground, actuating the relay which, in turn, activates the horn.
Go to the wiring on the horn andd run it back to the fuse box. Replace the fuse or "hot wire" system and see if the horn works. It is also possible to ware out the horn by constantly reminding drivers how poor their driving is. I use to sell for a living and drove 60,000miles per year. I burned my horn out 2 times. Good luck
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.
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.
If the horn works with direct connection, and fuse, relay, and circuit breaker are all good, it's the switch in the steering wheel. If it is anything like the chrysler auto's, the switch and the air bag module is all one unit, can't replace just the switch, the whole thing, and it's about $700 to $800 for those units, at least it is here, and can only get them at a dealer.