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Old 06-10-2014, 12:11 AM   #1
junk4cash
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Turn Signal Switch Question

My 66 has what appears to be the original turn signal switch. I had some issues with the switch canceling but after I took it apart I noticed the previous owner had the hub on in the wrong position so it wasn't tripping the cam. Signals worked fine and then the right signal would only come on every once in a while but left was fine. Now both won't come on but if you hold the turn signal arm up or down with some force, they will work. I mean you really have to put some pressure on the arm. Almost feels like it will break off. I hate to replace the switch. Can I maybe take everything out and clean it? Or does these usually just go out with age? Thanks guys.
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Old 06-10-2014, 02:44 AM   #2
66Submarine
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Re: Turn Signal Switch Question

IIRC, I fiddled with the contacts in one (or more?) of mine by bending them to fix that, and maybe also trimmed the turn signal cam to get more travel? That was an aftermarket replacement cam though, so you might just have dirty/corroded contacts or something. Just take it apart and find out...
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Old 06-10-2014, 08:26 AM   #3
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Re: Turn Signal Switch Question

Shouldn't take that much force to trip the cam. Just a light bump will take care of it. I'd remove the wheel and shaft hub and see how it looks inside. I just got done doing the one in the fleetside column myself and have another to do next week on the stepside. The biggest issue I see is the plastic parts get brittle over the years and with the couple of columns I've dealt with lately, they all had the same issues which were the signal switches with the small inner ears broken off and cancel cams. I also like to relube the upper bearing while I have the switch out. They are not that hard, just pay attention to disassembly, take a few pics and reinstall the same. I have been ordering my parts from Classic industries with no issue on istall of fitment of parts.
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Old 06-10-2014, 09:55 AM   #4
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Re: Turn Signal Switch Question

You can remove the horseshoe by taking out the screw in back of it. Then very carefully bend the spring contacts to increase the pressure.
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Old 06-10-2014, 12:17 PM   #5
66Submarine
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Re: Turn Signal Switch Question

Quote:
Originally Posted by wrenchbender ret View Post
you can remove the horseshoe by taking out the screw in back of it. Then very carefully bend the spring contacts to increase the pressure.
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Old 06-10-2014, 12:25 PM   #6
junk4cash
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Re: Turn Signal Switch Question

Ill try that. I really would rather keep my stock original unit rather than a new import piece.
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Old 06-11-2014, 05:26 PM   #7
Todd W. White
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Re: Turn Signal Switch Question

You don't have to but import! You can get the AMERICAN MADE product, made on the original tooling, from the people that make them for AC Delco! Every one you see that says it's an AC Delco is made by the same people, and this guy sells them at the best price.

I have one in my truck, and it has worked flawlessly since I installed it.

Delco Part #D-6202

Available here:

http://www.corvettecolumns.com/switches.html

Last edited by Todd W. White; 06-11-2014 at 05:31 PM.
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Old 06-13-2014, 02:41 PM   #8
junk4cash
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Re: Turn Signal Switch Question

Quote:
Originally Posted by Wrenchbender Ret View Post
You can remove the horseshoe by taking out the screw in back of it. Then very carefully bend the spring contacts to increase the pressure.
Thank you. Ended up doing just that. My buddy had a new switch so I just looked at how his springs were bent and copied them. Works like new now! Much appreciated.
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Old 06-13-2014, 03:05 PM   #9
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Re: Turn Signal Switch Question

Thanks for the link Todd. Still have one more column I need to do and that price is great!!!
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual
http://67-72chevytrucks.com/vboard/s...d.php?t=519869
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http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 07-10-2014, 08:28 AM   #10
mgilroy311
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Re: Turn Signal Switch Question

So I have a 1966 C10 and im trying to fix my original turn signals, now the plastic horseshoe piece that the turn signal arm screws in to seems to be cracked right down the middle. do i need to replace that and if so wear I do see the part on LMC trucks catalog. Thanks for your help in advance.
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Old 07-10-2014, 08:43 AM   #11
1963c-10
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Re: Turn Signal Switch Question

Yes, that's the switch and it will need replaced.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual
http://67-72chevytrucks.com/vboard/s...d.php?t=519869
1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide
http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 07-10-2014, 08:54 AM   #12
rickywideglide
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Re: Turn Signal Switch Question

you should be able to get that at autozone ,thats where i got mine
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Old 07-10-2014, 11:35 AM   #13
64tantruck
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Re: Turn Signal Switch Question

How does this switch work on the 61?

This is what is the replacement for my truck, but I need the wires from the lever to under the dash. Can anyone provide any detail??
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64 C20 350ci Turbo 350 tranny 3.73 gear with air ride.
61 Apache10 (wife's truck) 327ci powerglide.

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Old 07-10-2014, 11:50 AM   #14
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Re: Turn Signal Switch Question

Quote:
Originally Posted by mgilroy311 View Post
So I have a 1966 C10 and im trying to fix my original turn signals, now the plastic horseshoe piece that the turn signal arm screws in to seems to be cracked right down the middle. do i need to replace that and if so wear I do see the part on LMC trucks catalog. Thanks for your help in advance.
here is what you seek http://www.autozone.com/autozone/par.../N-ixjngZ9cik1
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Old 07-10-2014, 03:49 PM   #15
mgilroy311
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Re: Turn Signal Switch Question

thanks jtrichard. The owner who sold me the truck actually supplied this part but it does look like the original one in the steering colum. Will it still work?

Last edited by mgilroy311; 07-10-2014 at 03:56 PM.
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Old 07-10-2014, 04:10 PM   #16
jtrichard
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Re: Turn Signal Switch Question

if you have a 64/66 column it should fit .....63 is different ....can you get pics?
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Old 07-10-2014, 04:16 PM   #17
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Re: Turn Signal Switch Question

I will when I get home tonight thanks
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Old 07-10-2014, 04:23 PM   #18
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Re: Turn Signal Switch Question

Quote:
Originally Posted by 64tantruck View Post
How does this switch work on the 61?

This is what is the replacement for my truck, but I need the wires from the lever to under the dash. Can anyone provide any detail??
There is allot more stuff that goes inside the column. That part mounts at the base of the column and there is a cable that goes in between the two. I have not seen a replacement cable for sail.
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Old 07-10-2014, 04:52 PM   #19
64tantruck
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Re: Turn Signal Switch Question

Ok thanks im looking for the wires that run from lever down to switch
These are pretty brittle
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http://67-72chevytrucks.com/vboard/s...d.php?t=570100
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Old 07-11-2014, 03:39 AM   #20
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Re: Turn Signal Switch Question

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Originally Posted by 64tantruck View Post
How does this switch work on the 61?

This is what is the replacement for my truck, but I need the wires from the lever to under the dash. Can anyone provide any detail??
The one you have pictured is for a 60-62 it should work on a 61 don't know where you can get the plug in pig tail though is the old one shot? You might be able to have on made up by one of the places that make wiring harnesses just give them your old one for color code...Vernski

Last edited by Vernski; 07-11-2014 at 03:50 AM. Reason: after thought
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Old 07-11-2014, 04:23 PM   #21
1963c-10
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Re: Turn Signal Switch Question

And don't forget blinker fluid!!
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http://67-72chevytrucks.com/vboard/s...d.php?t=519869
1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide
http://67-72chevytrucks.com/vboard/s...d.php?t=619024
1964 Short bed trailer
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Old 07-11-2014, 09:39 PM   #22
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Re: Turn Signal Switch Question

Quote:
Originally Posted by 64tantruck View Post
How does this switch work on the 61?

This is what is the replacement for my truck, but I need the wires from the lever to under the dash. Can anyone provide any detail??
Try TruckandCar Shop in CA.

http://www.truckandcarshop.com/
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Old 01-27-2019, 08:44 PM   #23
Jambar0836
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Re: Turn Signal Switch Question

I have a 1966 gmc pickup my headlights just randomly turn off while driving I can wiggle the turn signal and they come back on is the turn signal switch my problem and also all other lights work except my brake lights which were working until recently
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Old 01-28-2019, 05:20 PM   #24
straight6chevyguy
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Re: Turn Signal Switch Question

By head lights do you mean head lights or the turn signal/parking lamps on the hood?

Reason I ask is unless I am wrong the head lights should have nothing to do with the
turn signal switch but I may be mistaken.
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Old 01-28-2019, 06:44 PM   #25
Jambar0836
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Re: Turn Signal Switch Question

Yeah the headlights themselves just randomly turn off but I've got all other lights it might be just coincidence but when I wiggle the turn signal they come back on. I did solve my brake lights today the brake pedal switch was bad. But now I dont have a right turn signal lol it's always something I guess
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