Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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#175090 06/06/10 07:10 PM
Joined: Jul 2009
Posts: 25
Grease Monkey
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Grease Monkey
Joined: Jul 2009
Posts: 25
The horn on my 1966 chevelle SS just stop working. I checked voltage at each horn and they work.
Is there a way of checking to see if the horn relay is working.

Thanks
Tony

Wilwood Engineering1955-1957

Willwood Engineering

Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188


Joined: Jul 2006
Posts: 388
Backyard Mechanic
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Backyard Mechanic
Joined: Jul 2006
Posts: 388
Originally Posted by all_my_chevies
The horn on my 1966 chevelle SS just stop working. I checked voltage at each horn and they work.
Is there a way of checking to see if the horn relay is working.

Thanks
Tony
Hi Tony,
I assume you tested both horns by unplugging them and jumpering a direct 12v from the battery and they are loud and proud<g>.
A quick horn relay test would be to leave both horns unplugged and push the horn button on the steering wheel while listening for a definite clicking sound coming from the horn relay.
If no click sound is heard,test all your under dash fuses.If all fuses are good I'd take a real close look under the steering wheel horn button assembly for any broken small spring,etc...Good luck,Jim

Joined: Jul 2009
Posts: 25
Grease Monkey
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Grease Monkey
Joined: Jul 2009
Posts: 25
Hi Jim
Yes they are loud and proud. The horn relay looks old. I did replace the steering wheel and horn button last year with a 2 spoke sport wheel. The horns were working last week. The fuses are good. What I was thinking would be to pass 12v thur the horn relay (where the wire from the horn button goes to) then I'll see if I'll see if horns sound. I could either replace the relay or rule it out as the cause. What do you think of that idea.
Tony

Joined: Jul 2006
Posts: 388
Backyard Mechanic
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Backyard Mechanic
Joined: Jul 2006
Posts: 388
Originally Posted by all_my_chevies
Hi Jim
Yes they are loud and proud. The horn relay looks old. I did replace the steering wheel and horn button last year with a 2 spoke sport wheel. The horns were working last week. The fuses are good. What I was thinking would be to pass 12v thur the horn relay (where the wire from the horn button goes to) then I'll see if I'll see if horns sound. I could either replace the relay or rule it out as the cause. What do you think of that idea.
Tony

Hi Tony,
Did you try unplugging the horns and pushing the steering wheel horn button?If the relay clicks you will be accomplishing the same thing as you are suggesting with your pass 12v thru the relay. Jim


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