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Old 03-15-2017, 05:27 PM   #1
1978sierra
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Horn Part Info needed

My horn used to work, then one day it stopped. I noted that when I changed the ignition lock cylinder and was putting the wheel back on I depressed the plunger on the canceling cam with the screwdriver and got a pretty big spark... I think that was when it stopped working.

Anyway, I wanted to get it working again so started to tear down the column, when I got to the turn signal switch I found a chard and small bit of copper where the plunger and spring are supposed to be, I yanked it out with some pliers.

Now I am trying to find the part # for that plunger and spring but am coming up short. Can anyone help.

Here are some pictures:
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Old 03-16-2017, 07:24 AM   #2
TexasJeff
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Re: Horn Part Info needed

I believe they used to sell that part in the Help section of the auto parts stores.

http://www.oreillyauto.com/site/c/de...1&keyword=horn
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Old 03-18-2017, 08:28 PM   #3
Pontiac1976
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Re: Horn Part Info needed

http://www.ebay.com/itm/Turn-Signal-...FYqnmh&vxp=mtr this the part your looking for, order in non tilt. & tilt set up. LMC has them too / Classic Parts 73-87 / As said Dorman help scction
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1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl , w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bed
Was a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change.

Last edited by Pontiac1976; 03-18-2017 at 08:46 PM.
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