'72 Horn button/parts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**D.PASSMORE** · 01-13-2011, 10:33 PM

Well, I've searched the board, looked at the LMC catalog and played with the parts. I can't figure how to put the horn button, with parts together - and make it work. This includes the plunger parts (3 peices) that go into the canceling cam. Can I get a few pictures of the assemblies and the sequence of how they are installed.

Thanks

oldblue1968chevy · 01-13-2011, 10:36 PM

I have this from when I had trouble with mine, its 67 68 but should be pretty close..

Good luck

71 super · 01-13-2011, 11:18 PM

David, plinger/cancel cam goes into dedicated hole in wheel. Install wheel, install nut and washer then install the spring steel circle dome up, Install the retainer ring (part that horn button snaps into and the bushing into the center. It is important that the spring steel circle is not pinched against the side of the wheel- dont over tighten the retainer and you should be good to go. If this is not, simply flip the spring steel- the key is not letting it get pinched against the wheel side- this completes the circuit and causes the horn to work.

For the plunger, install the spring, the conection plunger and the small black or white plastic ring retainer. It is an interference fit much like the primary rods in the front of a quadra jet. It simply presses in and the inteference holds it in place. If you have the kit, they send two different plungers if I remember correctly and it uses the longer version I think. harold

**D.PASSMORE** · 01-14-2011, 12:02 AM

Thanks for the picture, that did helped.

Harold,
Good write up, I'll play with it tomorrow and let you know.

Thanks

**LockDoc** · 01-14-2011, 12:08 AM

david,

Here is a thread that I posted some info in:

http://67-72chevytrucks.com/vboard/s...highlight=horn

LockDoc

01-13-2011, 10:33 PM	#1
D.PASSMORE One of the First Join Date: Jan 2000 Location: St. Augustine,FL. Posts: 4,054	'72 Horn button/parts Well, I've searched the board, looked at the LMC catalog and played with the parts. I can't figure how to put the horn button, with parts together - and make it work. This includes the plunger parts (3 peices) that go into the canceling cam. Can I get a few pictures of the assemblies and the sequence of how they are installed. Thanks __________________ DAVID PASSMORE ST AUGUSTINE ,FL ZIP 32084 '71 SWB K/10 CUSTOM DELUXE (Chili) '72 BLAZER K/5 Muscle Truck (Mule) '72 LWB K/20 CHEYENNE (Blackie)

01-13-2011, 10:36 PM	#2
oldblue1968chevy Grandpa in the rustmobile... Join Date: Nov 2008 Location: Spokane WA/Viola TN Posts: 11,422	Re: '72 Horn button/parts I have this from when I had trouble with mine, its 67 68 but should be pretty close.. Good luck Attached Images __________________ John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4

01-13-2011, 11:18 PM	#3
71 super Registered User Join Date: Sep 2005 Location: Canton North carolina Posts: 3,079	Re: '72 Horn button/parts David, plinger/cancel cam goes into dedicated hole in wheel. Install wheel, install nut and washer then install the spring steel circle dome up, Install the retainer ring (part that horn button snaps into and the bushing into the center. It is important that the spring steel circle is not pinched against the side of the wheel- dont over tighten the retainer and you should be good to go. If this is not, simply flip the spring steel- the key is not letting it get pinched against the wheel side- this completes the circuit and causes the horn to work. For the plunger, install the spring, the conection plunger and the small black or white plastic ring retainer. It is an interference fit much like the primary rods in the front of a quadra jet. It simply presses in and the inteference holds it in place. If you have the kit, they send two different plungers if I remember correctly and it uses the longer version I think. harold __________________ 67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle Last edited by 71 super; 01-13-2011 at 11:21 PM.

01-14-2011, 12:02 AM	#4
D.PASSMORE One of the First Join Date: Jan 2000 Location: St. Augustine,FL. Posts: 4,054	Re: '72 Horn button/parts Thanks for the picture, that did helped. Harold, Good write up, I'll play with it tomorrow and let you know. Thanks

01-14-2011, 12:08 AM	#5
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,516	Re: '72 Horn button/parts david, Here is a thread that I posted some info in: http://67-72chevytrucks.com/vboard/s...highlight=horn LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

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