Question about 1993 Toyota Corolla
Changed fuse and horn relay with parts that I know are good. Still no power supply to horn. Is there a fuse somewhere in between the steering column and the fuse box. What wire in the steering column is for the horn? How do I access the steering wheel horn switch (where the pad sets off the horn)
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
Have you checked the horn itself? try disconnecting the power line to the horn and check power supply with a simple tester. have someine assist you to press on the horn switch while you are checking. if the tester needle deflects then it could be the horn. P.S. make sure you set your tester to 12volt/24 volt dc setting. GOOD LUCK!
Posted on Aug 26, 2008
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Posted on Jan 02, 2017
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