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What are you wanting to put in?
I'm a little confused. So you are using the horn button to trigger the air horn? And it sounds like you took out the factory horn since your putting the new speaker in its place. There's no need to have to disasemble the sterring wheel or colum. You can just find the horn wire that goes to the horn relay, or even tap off the horn itself. I'd love to see picsof your install! I'm just waiting on my CB to get her so i can wire up everything at once.Hey 5150, I'm using the SA314B mounted behind the front grill where the stock horn used to be. I cut down an SABKT1 vehicle mount so that it would mount on top of the upper cross member. I'll take pictures tomorrow to show you. It's not the best setup, but I was working with what I had available.
The wiring is a little "hackey", I pulled the speaker wires and a trigger wire from the front, and have got the horn being triggered off the stock horn output. I wanted to trigger off the actual horn pad, but I wasn't in the mood to disassemble the steering column when the Toyota diagrams show what looks like a common ground for the horn pad which would have made it necessary to cut wires (AFAIK - I'm not a pro, just a geek.
I then ran power from the interior fuse box (I think I'm going to splice into the horn relay power but right now am just jammed into the accessory fuse), and grounded just below the amp where there is a vehicle ground point. My goal was to do the minimum amount of "damage" to the vehicle.
Dave, I told you I would be more than happy to help you install it. It is no harder than installing a car stereo Amp and Speaker. :wave:
Do you have PA capabilities with the unit you're using?? If so, how do you access it??
Nice. I'm setting mine up so when its turned on, the horn button activates the air horn, then when its off, the standard horn works like factory. Wasn't aware that there was a second tap not being used for a second horn.
The unit he he's using is a combonation air horn/P.A. system. it has a micro phone that plugs into the amp. You can buy an extention cable so you can mount the amp under your seat, or in this case the passneger foot well.
I doubt the amp will ever get hot. Is is not being used like a car stereo amp is err I mean on all the time. It is only on for a brief moment of time and not constantly on being used for long periods of time. Otherwise a great question. :wave:
Gotcha, 5150. Is there also a tap/function to send the speaker output of a two-way radio out through the under-the-hood speaker (like on the higher end siren box units), or is it strictly an electronic air horn and PA system??
Install a secondary fuse block and you wont have to worry about frying anything. Just my humble opinion
