Question about Volvo S40
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Posted on Jan 02, 2017
Disconnect the horn and put a test light to it to check for power. If the wire is getting power then you have a bad horn. If not, then you have a bad horn circuit. Test the horn by using alligator clips to run power and ground to it. If it works, you need to backtrak the horn circuit to find the problem.
If the wiring is not supplying power, the problem is usually in the steering wheel.
Posted on Jun 18, 2013
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