Horn - should it have continuity?

urq urq at pacbell.net
Sun Feb 7 15:13:42 PST 2010


... the proof of the pudding is in the eating they say ... 

It sounds like you have verified that the horn makes a sound ... I'd say
that there's nothing further to check.  If it works it isn't shorted.  The
horn coil will have a very low resistance.  

Steve Buchholz

-----Original Message-----
From: Radek

OK, so to check if the horn is shorted (that's what I'm really after), what
should I measure?  It is honking, BTW and is not on the car.  When I connect
it to to a battery, lots of spark is created.  The wire I touch to the
battery terminal seems to burn a little hole in the terminal.
Thanks.
Radek.

------Original Message------
>I've never futzed around with a horn but I would expect there to be 
continuity between the two electrical contacts.  I'd wager that if 
you applied 12 volts DC across the terminals the horn would honk.
Bob

>The horn itself is a resitive load and would show continuity, just not zero
ohms.  The horn button (or switch) would show nearly zero ohms when engaged
and open in the natural state.
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