Sounds like a short in the wiring that feeds through your steering column
rather than the horns themselves, though Iâ??m not sure about your ohms
question. In my TR4A life, Iâ??ve seen it be a problem in a couple cars. Just
some odd ball short of the wiring.
> On Jan 27, 2021, at 10:55 AM, Dave Connitt via Fot <fot@autox.team.net> wrote:
>
> Anyone know what the resistance should be for TR4A horns? The reason I ask
> is that I keep blowing the horn fuse which is 20 amps. I am getting 0.8 ohms
> across mine which works out to 17.25Amps @ 13.8V. That seems like itâ??s a
> bit close to the fuse rating to me. I am not sure what else could be the
> problem.
> Thanks,
> Dave Connitt
>
> Sent from my iPhone
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