Thanks NIbiker.

I should have mentioned there is a fuse between the battery & the relay.

The relay is not under the dash. It's tied to the frame under the tank.

>>I would disconnect the new horns from the relay and also the live from the battery, see if the relay clicks when you press horn button<<

I don't understand the purpose of this test. Don't we already know the relay works because the horns worked when I pressed the horn button?

But now I'm at a loss to where the problem is (if it is not the polarity of the wires connected to the relay).


Cheers, Richard
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09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge