Ok steering wheel gurus - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

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post #1 of 38 (permalink) Old Jul 3rd, 19, 9:21 AM Thread Starter
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steve
 
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Ok steering wheel gurus

So my horn hasn't worked since I got the car. The horns work and the relay. I know this as I grounded out the thin black wire in the relay..so I have a grant steering wheel and pulled it off to check. The wire the goes from the horn button terminates to a spring and that's it. I thought it would run all the way to the firewall at least.
So what would be my next step? I know that little spring is bad.
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71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #2 of 38 (permalink) Old Jul 3rd, 19, 12:06 PM
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Dan
 
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Re: Ok steering wheel gurus

You are going to need a new canceling cam. Yours is broken. I always use factory steering wheels. This eliminates a lot of problems with horns.
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post #3 of 38 (permalink) Old Jul 3rd, 19, 1:52 PM Thread Starter
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Real red, what is a cancelling cam? There was no way I could use the original wheel

71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #4 of 38 (permalink) Old Jul 3rd, 19, 2:13 PM
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Ed
 
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Re: Ok steering wheel gurus

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Originally Posted by 71'bu View Post
Real red, what is a cancelling cam? There was no way I could use the original wheel
That piece in the top 2 photos.
It has the bumps that cancel the turn signals when you turn.

1967 El Camino Malibu - Deepwater Blue
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post #5 of 38 (permalink) Old Jul 3rd, 19, 9:18 PM Thread Starter
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Ok. The canceling cam would be the issues? Turn signals work fine and turn off when I return the wheel to "0"

71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #6 of 38 (permalink) Old Jul 4th, 19, 6:53 AM
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Joe
 
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Re: Ok steering wheel gurus

Steve, Did you remove the lock plate to get that part out of the column? If not, you're going to need one of them, the retaining ring and, the top cover. Not having the lock plate may be what caused the cancelling cam to break. In this picture you can see the star shaped lock plate and retaining ring just to the right of the cancelling cam. The parts are shown in the order they're installed. These are for a tilt column but a non-tilt would have similar parts and are installed in the same order.
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post #7 of 38 (permalink) Old Jul 4th, 19, 7:37 AM Thread Starter
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Thanks topless. Everything was there. When reading about the horns, I thought the black wire that goes to the relay would run up the steering colum and to the horn button. I guess I'll work my way down the column and see what I can find. This is a non-tilting colum.

71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #8 of 38 (permalink) Old Jul 4th, 19, 1:21 PM
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Re: Ok steering wheel gurus

Steve,

The horn buttons connect the black wire to ground. Grounding the black wire causes the horn relay to close sending power to the horns. You can test the circuit by connecting the spring loaded copper contact on the turn signal switch to the steering shaft or other grounded metal. The horn should sound when they're connected.
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post #9 of 38 (permalink) Old Jul 6th, 19, 9:56 AM Thread Starter
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Ok thanks. I'll try that here in a few

71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #10 of 38 (permalink) Old Jul 6th, 19, 2:53 PM Thread Starter
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Ok I did as you said except I ground out the little button in the picture and the relay clicked, so I'm getting somewhere. I bench tested my horns, and they no longer work. I think I tested them to much .
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71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #11 of 38 (permalink) Old Jul 7th, 19, 12:05 PM
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Re: Ok steering wheel gurus

Quote:
Originally Posted by 71'bu View Post
Ok I did as you said except I ground out the little button in the picture and the relay clicked, so I'm getting somewhere. I bench tested my horns, and they no longer work. I think I tested them to much .
I don't think your going to test your horns too much to make them stop working. You need a very strong battery, and basically a set of battery cables to get the horns to blow. Small test leads don't have the capacity to deliver the current needed to blow the horns on the bench. Oh yeah, you also need a clean ground to connect too. Make sure your positive tab is free of any grease, grime or corrosion also. My guess is, they'll work just fine. After all, they worked 4 days ago, correct?

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post #12 of 38 (permalink) Old Jul 8th, 19, 8:15 AM Thread Starter
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Re: Ok steering wheel gurus

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Originally Posted by Jayhawk500 View Post
I don't think your going to test your horns too much to make them stop working. You need a very strong battery, and basically a set of battery cables to get the horns to blow. Small test leads don't have the capacity to deliver the current needed to blow the horns on the bench. Oh yeah, you also need a clean ground to connect too. Make sure your positive tab is free of any grease, grime or corrosion also. My guess is, they'll work just fine. After all, they worked 4 days ago, correct?
Thanks Chris. Battery was good and I actually used my jump box to test the horn. To make sure It worked, I pulled the horns out of a Dakota I have an they made the noise, but the stock chevelle ones didn't. The one horn worked a few days ago yes. I'm pretty sure the other is dead because I could never get that one to make noise..The relay is working, I know that much.


In the last picture I uploaded of the brass looking "button", when I ground it out and makes the relay click, is the horn button wire supposed to touch that? I know I'm, not very good at explaining this. Also, in past posts of the others with horn related issues, Ive seen some mention the rag joint ground. Is that specific to a certain year?

71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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post #13 of 38 (permalink) Old Jul 8th, 19, 1:44 PM
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Joe
 
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Re: Ok steering wheel gurus

Steve,
The slip ring on the bottom of the turn signal cancel cam touches the copper contact on the turn signal switch. A spring loaded connector wire is attached from the cancel cam to the horn button. Remember, the steering wheel touches nothing on the column except the turn signal cancel cam and the steering shaft so, for the horn to work properly the shaft must be grounded. Therefore, the rag joint must pass a ground from the steering shaft to the steering gearbox. The quick way to test that joint is to connect a test lamp lead to a power source and touch the shaft. It should light.
The connectors below is what is required to connect the horn button(s) to the cancel cam. You can see in the third picture how it is installed. after inserting it into the cancel cam, you plug the spade connector onto the horn button.
Keep us informed on your progress.
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post #14 of 38 (permalink) Old Jul 9th, 19, 12:04 AM
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Re: Ok steering wheel gurus

Since the relay clicked, you have a complete path to ground thru the column, you're on the right track with the horns, good luck!

Leo Paugh
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post #15 of 38 (permalink) Old Jul 9th, 19, 7:27 PM Thread Starter
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Ok I figured it out...with the big spring on the steering shaft, I cant get the turn signal cam to make contact with the brass "contact"..took the spring out, make contact. Now I trouble it shot the horn button down to the grounding black wire that connects to the horn button. The wire I have doesn't the the tab on it to lock it into the new steering cam thing. Where can I get a new wire?

71 malibu 6spd 6.0 procharged
2011 streetglide stage 1- sold
05 F350 dually- 602 HP 853 ft lbs torque
former KC-10A Chief-"Our Goal Is Your Hole"
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