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View Full Version : How to: Hella Horn Installation behind front grill?



Stathakos
07-31-2013, 05:26 PM
Little confused on where I should mount them/install the horns, any help would be really, really appreciated !

07carbon3
07-31-2013, 05:33 PM
http://www.torontomazda3.ca/forum/showthread.php?28826-Hella-Horn-Installation-Guide&highlight=hella+horn+install

jchc91
07-31-2013, 05:34 PM
I installed them behind the grille. I used a metal that is used to hold shelves. I painted it black and drilled a 3/8 hole into the plastic. Wil take pictures later

Stathakos
07-31-2013, 05:46 PM
Thanks Chris, and jchc91 like one of those L shaped brackets? are you talking about that Y shaped piece of plastic infront of the radiator?

jchc91
07-31-2013, 07:34 PM
not too sure what they're called. I installed and had some lying around so it was convenient. And yeah it was! it sits on the bar on top of where the foam on the bumper is.. Basically what you said though!

jchc91
07-31-2013, 07:40 PM
sorry double post... forgot i could edit...

Basically these

http://www.traderscity.com/board/products-1/offers-to-sell-and-export-1/stamping-parts-metal-shelf-bracket-129940/

Mine had less holes though. it was originally longer than I needed so I cut it and then bent the metal where I needed it.

Stathakos
07-31-2013, 07:55 PM
jchc91 oh yeah! Im starting to see how you put them, if you could still post a pic that would help x1000000000000 :)

Hyperion
07-31-2013, 10:19 PM
Just use the bolts that are already there.
Just requires a little bit of finagaling

ace_master
08-01-2013, 12:50 AM
This was where I installed mine... used the plugs that are holding the wires above the rad. Had to fold the tabs down on the back of the hellas because the wires were too close to the rad sticking straight back.
http://img266.imageshack.us/img266/6723/ax15.jpg

Stathakos
08-01-2013, 02:20 AM
Im on a gen 1 sedan though, however that doesn't look like its too different from the way my front end looks like

ace_master
08-01-2013, 02:27 AM
On a Gen1, you're probably going to want to take the extra effort to make sure they're centered. Mine are slightly off center, but being a Gen2, and painted OEM... no one will ever know they are there unless they are looking for them, lol.

terapr0
08-01-2013, 11:57 AM
I made a simple mount from a piece of aluminum flatbar from Canadian Tire and mounted it to the vertical piece of plastic (with a conveniently placed threaded insert) that's right in front of the radiator

http://www.tohellandback.net/junk/Car/low%20and%20supertones/resized-LDM_4732.jpg

http://www.tohellandback.net/junk/Car/low%20and%20supertones/resized-LDM_4734.jpg

http://www.tohellandback.net/junk/Car/low%20and%20supertones/resized-LDM_4736.jpg

http://www.tohellandback.net/junk/Car/low%20and%20supertones/resized-LDM_4742.jpg

http://www.tohellandback.net/junk/Car/low%20and%20supertones/resized-LDM_4745.jpg


You'll love them they're soo ****ing loud. I always love showing off the horns to friends, and scaring the **** out of random passersby.

Pacman
08-01-2013, 01:06 PM
Pic of finished install on blue car please!!

I was thinking of doing this

Stathakos
08-01-2013, 01:27 PM
terapr0 Thanks for the idea! I might do this but a little higher, behind the top grille. I wanted to ask though, have you experienced a lot of rock chips on the hella horns?

terapr0
08-01-2013, 01:48 PM
terapr0 Thanks for the idea! I might do this but a little higher, behind the top grille. I wanted to ask though, have you experienced a lot of rock chips on the hella horns?

none that are terribly visible....I mean I havent taken the bumper off to inspect them, but from a couple feet away they look perfect. They're shielded by the grill itself.

Stathakos
08-01-2013, 02:56 PM
So hyperion said attach it to the bolts that are already there, you mean these ones?
http://i.imgur.com/v21ZqTx.jpg?1

Or did you mean these ones with a possible shelving bracket attached to it, Also that big square thing next to the hood release, does it have to be there? or can I move it? [Edit] Yikes! I took that metal plate off and found "front air bag satellite sensor" yeah im not moving that...
http://i.imgur.com/vMPIAoq.jpg?2

Looking around, there wasn't too much space I could fit a hella horn on the passenger side, but I found these screws on the grill, perhaps I can attach a bracket to those?
http://i.imgur.com/YCF9tnn.jpg?4

Im really hoping I can get them in the top part of the grill, it would look fuarkin mad
http://i.imgur.com/oprk8Aa.jpg

Hyperion
08-01-2013, 05:01 PM
The first 2 will give you the look you want.

Stathakos
08-01-2013, 05:23 PM
Hyperion true, but that metal sensor cover on the one side doesn't allow me to fit a horn there. Unless I somehow put brackets around it.

Hyperion
08-01-2013, 05:25 PM
Take it off. If you really want it on there, cut out a part of it.

hex
08-01-2013, 08:25 PM
Hyperion true, but that metal sensor cover on the one side doesn't allow me to fit a horn there. Unless I somehow put brackets around it.

josh (hyperion) installed a set of hella horns for me on my gen 1. i shall take pictures of it and post it up. i ended up using a grinder to cut the sensor cover.

fumoffu
08-02-2013, 01:00 AM
http://imageshack.us/a/img607/9955/jf9h.jpg
Here is my install on the gen 1 Mazda 3

Hyperion
08-02-2013, 01:28 AM
josh (hyperion) installed a set of hella horns for me on my gen 1. i shall take pictures of it and post it up. i ended up using a grinder to cut the sensor cover.

Glad you did that. Just got a grinder

Stathakos
08-02-2013, 12:37 PM
hex just show me where you cut, also did any of you guys use the relay?

Hyperion
08-02-2013, 02:07 PM
You outline where the horns will be, and hope for the best.
Use the relay, from the 5+ I've wired, I find its louder with it and safer.

07carbon3
08-02-2013, 02:23 PM
josh, maybe you should just do the install for stephen

Stathakos
08-02-2013, 02:33 PM
07carbon3 LOL I just texted him

ace_master
08-02-2013, 06:16 PM
I used the relay...

30 to battery +
85 to ground (chassis or go the battery - )
87 to the horns + then connect the horn - to ground
86 to your stock horn +

hex
08-02-2013, 09:20 PM
http://i1012.photobucket.com/albums/af246/li_howard14/null_zps76079479.jpg

http://i1012.photobucket.com/albums/af246/li_howard14/null_zps3b79bfaf.jpg

http://i1012.photobucket.com/albums/af246/li_howard14/null_zps8d0c568b.jpg

http://i1012.photobucket.com/albums/af246/li_howard14/null_zpseb248540.jpg

http://i1012.photobucket.com/albums/af246/li_howard14/null_zps9ca3874f.jpg

http://i1012.photobucket.com/albums/af246/li_howard14/null_zps03fc1b55.jpg

hex
08-02-2013, 09:21 PM
Sorry for the wait!

Stathakos
08-02-2013, 11:46 PM
Its okay, thanks so much, I have an idea now!

jchc91
08-06-2013, 07:01 PM
Hi!

I apologize for this really late reply... Forgot my phone at a friends place.

Here's my setup

jchc91
08-06-2013, 07:10 PM
http://i.imgur.com/3gvre7I.jpg
http://i.imgur.com/q2OZ3ol.jpg