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Causes for a Volkswagon GTI Horn not to work Fuse is still good?
Wiki User
∙ 17y ago
Get a circuit tester and go out and put the red lead on one wire and the black lead on the ground wire and have someone push on the horn. Set your voltmeter to read 20 volts and watch , when the person pushes on the horn, the circuit tester should show a voltage reading maybe 12 or less but you shoudl get a reading. If you don't then there is somethign wrong in the wiring but if you get a reading...then the horn is bad and you need a new horn.
Wiki User
∙ 17y ago
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