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Post by usfmarine on Apr 16, 2009 21:55:22 GMT -5
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Post by cruiser66 on Apr 16, 2009 22:39:08 GMT -5
The stock horns are DC. You will have to get a relay to operate this horn. The horn is sorta big - depends how much room you have to mount it. It should be protected from the elements. Another popular air horn which is very loud is the Wolo BadBoy also sold at HarborFreight. The advantage of this horn is that it comes with the relay and the compressor can be split from the horn section to help fit in tight places.  You WILL be noticed with this horn. 66 |
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Post by usfmarine on Apr 17, 2009 0:13:00 GMT -5
Thanks for the tip cruiser66. I will check out the one you suggested.
Can I ask what the purpose of the relay is?
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Post by scooterescue on Apr 17, 2009 3:21:05 GMT -5
the relay switches high current devices with a tiny little switch.
just like the starter solonoid, it is a relay triggered by the starterbutton.
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Post by kink on Apr 17, 2009 11:05:01 GMT -5
you don't want to trigger high current @12v through a tiny switch. it will wear out the switch really fast, especially with moisture involved.
having a relay means that the switch is only gating like 0.002 amps or something. then the relay acts like a "floodgate" to send the power needed from the battery to the accessory.
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Post by cruiser66 on Apr 17, 2009 21:40:57 GMT -5
What everybody said above. Horn compressors use a lot more current than the OEM horn. Any resistance to the flow of current (small wires, original horn button which is not rated for this current) will not allow the horn to operate properly and cause premature failure of the OEM button and possible overheating of the wiring. By adding the relay with the proper gage wire and appropriate fuse, you will avoid any problems.
66
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Post by usfmarine on Apr 17, 2009 23:44:49 GMT -5
Thanks guys for the advice. I guess this is not a plug and play upgrade like I wrongly suspected it might have been.
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Post by 2btiger on Apr 18, 2009 12:16:11 GMT -5
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Post by xs650 on Apr 18, 2009 12:39:36 GMT -5
What everybody said above. Horn compressors use a lot more current than the OEM horn. Any resistance to the flow of current (small wires, original horn button which is not rated for this current) will not allow the horn to operate properly and cause premature failure of the OEM button and possible overheating of the wiring. By adding the relay with the proper gage wire and appropriate fuse, you will avoid any problems. 66 The main power wired from my battery to the main (ignition) switch is such a sad little wire (20 gauge) that I am thinking about running a 16 gauge wire in parallel with it. |
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Post by numbski on Apr 20, 2009 10:04:28 GMT -5
The Wolo Badboy - it isn't plug-n-pray either?  |
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Post by cruiser66 on Apr 20, 2009 11:55:17 GMT -5
Not recommended. If you look at my post above, you will see the relay, 20 amp fuse, and dedicated line straight to the battery at the bottom of the picture. I used 12 gage wire. For my install, I split the compressor from the horn because of space limitations. The OEM horn wires connect to the relay. Works great.
66
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Post by brian8474 on Apr 20, 2009 12:39:29 GMT -5
Here is my setup.No relay.My battery was almost dead which is why you see the light dim.On a full charge They dont do that.They are the High tone 132 db and low tone 132 db wired in tandem. I know the My steering bearing is showing.I loosened it up so i could pack it with grease ;D  |
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Post by numbski on Apr 20, 2009 20:22:39 GMT -5
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Roketa MC-60 
Tiger Cub
