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Help with my horn...
#44133 March 14th 2001 11:06 pm
Joined: Dec 2000
Posts: 77
G
journeyman
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Joined: Dec 2000
Posts: 77
Ok, so lately the horn in my van decided to stop working. I took the cover off the steering wheel to find that the plastic retainers inside the steering shaft had cracked and fallen away. I really don't want to try and fix that, so I've decided to run the horn to another spot.
THE PROBLEM: I can't find in any of my reference manuals(Chilton, Hayes) information on what wire(wires?) go to the horn from the fuse box. I'm looking for the color and such, so I can avoid taking the fusebox off of the firewall completely. My van info is:
89 Chevy G20 5.7l 350
Any help would be greatly appreciated; I've found the past couple of days to be very frustrating without a horn, not to mention dangerous on the road. Thanks again!

GG
Baltimore


Re: Help with my horn...
#44134 March 14th 2001 11:58 pm
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Anonymous
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Anonymous
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I can't tell you what wire it is, but I can tell you how to find it. Generally, all horns work by grounding the system. Your horn simply connects the system to ground, making your horn blow. If you understand electronics, you'll know why. If not, I won't be able to explain it to you, but trust me, It's true. So, all you need to do is find the steering column wiring harness connector. Use a jumper wire to ground each pin of the connector, one at a time, until the horn blows. That will be the horn wire. Then, simply reroute that wire to a button with the other end of the switch connected to ground.
Good Luck,
Andy.

Re: Help with my horn...
#44135 March 16th 2001 4:19 pm
Joined: Dec 2000
Posts: 77
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journeyman
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That's a really good idea...! I'm going outside to try it right now.
Thanks!

GG

ps...wish I'd thought of that [Linked Image]


Re: Help with my horn...
#44136 March 16th 2001 11:45 pm
Joined: Jan 2001
Posts: 319
enthusiast
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some times it feels better to yell out the window i know it works for me [Linked Image]

Re: Help with my horn...
#44137 March 17th 2001 12:31 am
Joined: Dec 2000
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Retired
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Hope you don't turn the key on when you try this or you may end up screaming loud enough to replace your horn if you should directly ground a "hot" wire! :< )

(Of course by the time you've seen this you've either found the right lead and fixed the horn or are toast.......)

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BoneHead
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Re: Help with my horn...
#44138 March 17th 2001 3:47 am
Joined: Dec 2000
Posts: 57
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journeyman
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How about getting a sign printed for the back doors "HORN BROKEN ! WATCH FOR FINGER "

Yes I know its a old joke, but someone had to do it............


Re: Help with my horn...
#44139 April 17th 2001 1:30 pm
Joined: Apr 2001
Posts: 1,097
old hand
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Hello,

I hope you have the horn working by now but if you don't the post by Andy above is good advise. I would suggest using a test lamp to probe the wires instead of a jumper. With a test lamp if you tap into something thats hot at the time it will light the lamp rather than ark and trip a fuse.

I memory serves me right the horn wire in the column is black.

When you ground that wire it closes the primary side of the horn relay relay that in turn connect positive voltage to your horn.

Billy



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