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03-27-2009, 10:00 AM | #1 |
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Join Date: Jul 2008
Location: Ault, Colorado
Posts: 862
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Horn, Turn Signal, Steering Column
Yo! Y’all!
Took quite awhile for me to finally discover, and document, the answers to my questions about horn hardware in the ‘70’s and 80’s trucks. Here’s what I’ve found,… Seems like the 1973-1978 steering wheels were all the “Type I” steering wheel,…with a smaller, more-square horn button. These continued through 1987, but the “Type II” steering wheel was begun in 1978 and continued through 1987 in addition. The Type II wheel had a much larger, more-rectangular horn button. Here’s pics of the Type II wheel with the Type II horn button above, and the smaller, Type I horn button below: Assembly: First, here’s that infamous turn signal switch (the return springs are easily seen) and the copper horn contact: Turn signal cancelling cam in place: Steering lockplate ready for installation: Lockplate compression tool (like $13 from NAPA. Can be done without it, but I wish you GOOD LUCK!): More pics and procedure in the following post. Todd.
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'78 3/4 ton 4x4 custom "Todd-built" FRANKENTRUCK! |
03-27-2009, 10:09 AM | #2 |
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Join Date: Jul 2008
Location: Ault, Colorado
Posts: 862
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Re: Horn, Turn Signal, Steering Column
Yo! The rest of the story:
“C” clip in place to hold spring tension against the upper steering shaft bearing: Plastic dust cover: Type II steering wheel ready for tightening to 30 ft lbs: Belleville spring drops onto a ledge molded into the Type II wheel’s rubber (in the Type I wheel, the spring has a ring-like, milky-white plastic insulator that encircles the outer edge and is held in place simply by the receiver and insulator): Receiver and insulator screw down over the spring, and GM adds the triangular steering wheel nut keeper to the end of the shaft for safety: Final assembly in the following post. Todd.
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'78 3/4 ton 4x4 custom "Todd-built" FRANKENTRUCK! |
03-27-2009, 10:26 AM | #3 |
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Join Date: Jul 2008
Location: Ault, Colorado
Posts: 862
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Re: Horn, Turn Signal, Steering Column
Finally, the remaining assembly and pics:
Then the Type II horn button snaps in place over the receiver: And the final result: FYI: The Belleville Spring for the Type I steering wheel is nearly identical, but has a ring-like insulator that can be slipped off: Sure hope this helps folks in the future! I was unable to search out any of this info anywhere, and neither my Camaro shop manual or any of my truck info pictures the steering column final assembly or the parts. I tryed to title this so that the key words would be easily found via forum search. This truck is a '78, and the small, square horn button and Belleville Spring came from a '73. Todd.
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'78 3/4 ton 4x4 custom "Todd-built" FRANKENTRUCK! |
03-28-2009, 11:53 PM | #4 |
Cheyenne Super
Join Date: Nov 2008
Location: Dallas Texas
Posts: 545
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Re: Horn, Turn Signal, Steering Column
Cool, I like it.
I haven't forgot about your prev thread either, I've just been camera delete. The only thing I can add now is that my 78 Silverado has this style wheel, and I'm sure it's factory original. |
03-29-2009, 11:56 AM | #5 |
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Join Date: Jul 2008
Location: Ault, Colorado
Posts: 862
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Re: Horn, Turn Signal, Steering Column
Yo! Nate!
Glad you like the pictorial. It's all the information I could gather from the junkyard trucks, catalogs, and my '78 and '73. I've found NO printed information, and dealerships around the country are clueless. My post asking about this information on this forum went unanswered. I'm sure that there are a number of minor variants out there and you can be proud of yours'! It looks like it might be a Type I wheel with a horn button that I've not seen previously. Anybody else able to post pics of steering wheels, different from these, that are factory from the '73-'87 time period? Thanks! This post SHOULD be here to continually collect this kind of info for future use. Todd.
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'78 3/4 ton 4x4 custom "Todd-built" FRANKENTRUCK! |
04-23-2009, 07:20 AM | #6 |
Don't Crush em Restore em
Join Date: Aug 2004
Location: Pinehurst, Texas
Posts: 764
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Re: Horn, Turn Signal, Steering Column
The best thing about both these style of wheels is the GM used the same mounting of wheels with a lot of thier cars and trucks through the 70's and 80's, so wheels from Camaro's, Monte Carlo's, Vega's will all bolt straight up to our trucks, I think mine is from a Camaro, it is a smaller diameter than the truck wheels
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TexasJeff 2009 Silver with Linen Interior Cadillac DTS 1990 Red with White Top and Interior Ford Mustang GT convertible 1998 Red with Gray Interior, C3500 Chevy Crew Cab Dually |
04-26-2009, 01:05 AM | #7 |
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Join Date: Jul 2008
Location: Ault, Colorado
Posts: 862
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Re: Horn, Turn Signal, Steering Column
Yo!
Absolutely true, TexasJeff,...I sure wish more could've been interchangable. And to confirm your thought that your wheel might be from a Camaro,...here's my factory original: Mine is a '76 Camaro,...or so it still appears. Todd.
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'78 3/4 ton 4x4 custom "Todd-built" FRANKENTRUCK! |
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