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Boarder patrol truck here. I was told they activated sirens with the steering wheel horn switch. I direct tested my speakers and got nothing. I added a new horn, fuse, relay, and put a horn swich on the ledge directly below the ignition. Looks good, sounds good. My horn problem solved.Fuse # 93 is OK , no power to the fuse , and few wires cut by horns
What can be done![]()