Georgia Fiero Club Forum
All Things Fiero => Tech Tips, Tech Questions => Topic started by: GTRS Fiero on February 21, 2020, 05:57:06 pm
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I was about run over by a couple in a truck. They were in the lane to my left, and suddenly changed into my lane. No blinker. I used the horn, but they ignored me. So, I need something that will garner attention. I'm thinking big rig horn.
As best as I could tell, the woman driving the truck that nearly sideswiped me either was ignorant of anyone being in that lane, or couldn't care less. I gave her every opportunity to correct her ways, then she ran against an abutment.
Anyway, perhaps if she had more of a heads-up...
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The Ogre suggests getting a pair of horns off a full-sized vehicle. I have a pair that I purchased from Advance Auto Parts. One high and one low. They are quite loud. Each one had a single wire terminal and was grounded through the mounting bracket like the Fiero, so hooking them up was easy. I just devised a splitter wire that plugged to the factory harness then onto each horn. They have been pretty effective when I needed them.
Not long ago I was looking at horns for someone on PFF and noted that there are some air horns that are fairly reasonably priced. I don't remember which store, but it was one of the mainline discount auto parts stores. You might find something on Dorman Products.
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I second duo-tone paired horns. Both my 47 and 56 have them stock, I see the type at automotive swaps from time to time, they are very loud and will get your attention.
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I'd like to have them loud enough to wake the dead. The "meep, meep" horn I have now isn't cutting it.
The problem is, my Fiero is only equipped for 1 horn. I'd like to replace it with a dual-tone horn.
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Two horns can go off the same circuit. Replace the existing horn, the single + power wire goes to the electrical tab and they ground through the mount. On the connector from the original wiring that connects to the horns tab, remove connector add a second wire replace the connector and connect to the first horn and run the new wire coming out of the connector to the second horn that will also ground through the mount. Only one relay/circuit is required this way.
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I'm not sure how that would mount, but have seen stscked horns.
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I simply used a male spade terminal and attached 2 wires to it. On the other ends of the wires, I attached female spade terminals to plug onto the horns. On the Fieros that actually had 2 horns, both were run off the same wire from up inside the main harness.
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What attaches the horn?
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The horns, even modern plastic ones, have a metal bracket as part of their housings. Drill a hole in a grounded metal part of the car and through bolt or tap and screw. Make sure you clean the mounting surfaces, both horn and car, of paint or there will be a poor ground. Add dielectric grease to combat corrosion.
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I was trying to avoid drilling holes.
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I didn't have to drill any holes. There was a threaded stud on the back center of the horn with a nut on it. That was the mounting point. I used the metal bracket that came with the horns on that stud and bolted it to the second horn. It mounted where the stock horn had been. It's been a while so I don't remember exactly how it was configured, but it was a plug and play except for the splitter wire.