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| | | | Joined: Jan 2016 Posts: 1 Moderated | | Moderated Joined: Jan 2016 Posts: 1 | my 41 PU has two trumpet horns, one larger than other, but I can't seem to get both working together, both sound when alone. | | | | | Joined: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | Do your horns have a common relay? Is it working? Have you tested for voltage at the horns with someone pushing the button? Do you have clean grounds at the horns? Mike B  | | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | This what they look like? If so, as noted above they work in unison using a relay.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Oct 2012 Posts: 60 Shop Shark | | Shop Shark Joined: Oct 2012 Posts: 60 | I have a pair of dual horns also that I will be hooking up to a relay. The horns are supposed sound at the same time right? or do they sound one right after the other? | | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | as stated above, they should sound at the same time, sounds like they are not getting enough current to sound them both. Could be a bad ground or faulty/weak relay.
| | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | Your relay will have three tabs. The relay mounts to the center part of the trumpet horn bracket in the orientation shown in the above picture. Your hot wire comes directly from the battery post on the starter to the center tab. The passenger side tab connects to the hot wires for both horns. The driver's side tab connects to the horn button. If necessary I'll take a picture of mine & post it.
Last edited by Tiny; 01/29/2016 10:39 PM.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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