Troubleshoot horns III

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Bert Knupp

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Oct 18, 2017, 4:54:37 PM10/18/17

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Volks,

I am still troubleshooting big Bosch horns. Q: What is the proper resistance between contacts on a 12v horn (disconnected, of course)? That is: How do I know whether I have a break in the coil winding or elsewhere? I assume that infinite resistance (∞Ω) between terminals = a broken coil wire inside.