Horn Install

4 replies to this topic
  • kawi380

Posted August 16, 2010 - 11:44 AM


I've pieced together my own street legal kit for the 08wr450f on the cheap but have just one remaining question. I bought a horn that I mounted up front near the headlight. I was thinking I should probably put a relay in between the horn and what "hot" I decide to use so as to preclude frying fuzes anywhere else. Is there a better way to do this? What has everyone done to install their horns?? Is there a circuit that I can tie into that already does this for me?

  • S2P

Posted August 16, 2010 - 03:51 PM


You shouldn't need a relay,but you will need a seperate ground.

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  • jlow

Posted August 23, 2010 - 10:54 AM


Don't know how you did your headlight setup, but i ran a power supply line from the hot side of the battery through a fuse holder from the local auto parts store up to the front. i floated the ground and have a full dc system. have the power for my high/low beam switch and my brakelight switch going through the fuse. not the best setup. but it works and wont fry anything else if i get a short. you might try something like that. jlow

  • GCannon

Posted August 25, 2010 - 08:01 AM


Horn will work fine with AC power. all you need is a momentary switch in either the ground or power side to interrupt the circuit.

  • kawi380

Posted August 26, 2010 - 05:01 AM


I ended up buying a horn relay at the local bike shop and used that to preclude any ill effects. Horn works fine and is a lot louder than I thought it would be. I also use a kill switch as my momentary, works great and does clutter the bars.


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