Reply to "Postwar horn only works on 9 volts."

TrainCzarOGR Forum Member DIGITAL SUBSCRIBER

I had similar issues with these horns.
My experience is that they get stiff from old age and disuse

Some of them hem I got working y jolting them with 9v as you have I’ve done it a dozen times or so for 2-3 seconds it not constantly I take a break after 4 times to make sure the coil does not overheat

I had all but one return to working with 1.5 V

make sure you test directly to the horn and not through the relay so as to have on less item to worry about

5/4/243:24 PM

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