Question about 2005 Toyota Tacoma
Relay switch getting power but horns not working. sometimes horns actually work after going through a car wash or a heavy rain.
Posted by Anonymous on
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Posted on Jan 02, 2017
Without knowing exactly what the air bag code is, coupled with the known fact that the horn is inoperative, my opinion for a viable solution is to replace the spiral cable or, as commonly called, the "clockspring". This device is the main wiring connection between the steering wheel and the wiring harness. If the circuit(s) open,due to a failure of the spiral cable, the air bag light will be on, the horn will not work,and , if you have a steering wheel Cruise control, it too may be inoperative. Best solution: replace the clockspring. Best advice: Get the airbag DTC's checked, and if you have an open in the driver side air bag circuit, the clockspring is def the culprit. Given that you had chassis work, your DTC just may be the front crash sensor, and the horn may just be unplugged, or bad, This is the best I can do for you, given the info that you have provided,
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Posted on Nov 06, 2008
Usually the wire from the steering wheel is Green w/Red and the wire to the horn from the fuse box is White. There is only one fuse, sometimes shared with the emergency lights. Check to see if there is power to the horn itself with a volt meter.
Posted on Dec 30, 2008
The horn switch provides a ground. If you have no voltage at the horn wire, inside the steering whel, I would suspect a bad spiral cable, or clockspring under the steering wheel.
Posted on Mar 04, 2009
SOURCE: horn fuse keeps blowing out
Check the wiring around the horn and make sure nothing is touching metal...look under the hood at the horn and make sure everything is pluged in and there is no water on any plugs or wiring...Make sure the fuse is the correct number (ex: 10, 20, 25) If it is still blowing out the fuse then you after you do some checking then it is a short in some wires
Posted on Apr 18, 2009
left of steering column almost behind fuse box way at the top you have to stick your head under there with a flash light to see it but it's there.
Posted on May 09, 2009
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