Is there anything special needed for the horn when converting from 6v to 12v? I bought a new voltage regulator, generator. The starter seems to like 12 volts. I understand the drops needed for the guages. Do I need a drop for the horn or horn relay? This is in a 1940 truck if that matters.


Bill Schickling

1940 1/2 ton, 1940 3/4 ton
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