Blown fuse

[deputy]

I added a Cadillac 4 note horn to my truck and if I  stay too long on it the horn fuse blows. 

Any idea to keep this from happening? 

 

No, taking the horns out is not an option. The factory horn is kinda weak. 

[papageoff]

You sir, need a relay. The horn switch will then trigger the relay to switch the high current load (in this case the horns).

 

A relay is an electromechanical switch that uses a small signal to control a large one. They come in many sizes but a 20a is more than enough I would think. You'll wire the existing circuit to the control side of the relay and run a new circuit from the battery (w inline fuse at the battery, pls)or other suitable source to the output side. Then the horn button will trigger the relay, which will power the horns until the button is released.

 

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[KJS Sullivan]

1 hour ago, deputy said:

I added a Cadillac 4 note horn to my truck and if I  stay too long on it the horn fuse blows. 

Any idea to keep this from happening? 

 

No, taking the horns out is not an option. The factory horn is kinda weak. 

Lol.   I understand the sound thing..  try using a relay, or upgrade existing relay if any. Possibly need to upgrade wire, for proper rating...

[deputy]

Thanks for the help