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Username Post: left turn signal wont cancel        (Topic#357780)
fander 
"3rd Year" Silver Supporting Member
Posts: 169
fander
Loc: Hot Springs South Dakota
Reg: 04-28-12
08-24-19 05:13 PM - Post#2773971    

My left turn signal won't cancel automatically. The right one does. Any suggestions? Thanks

Attachment: P1030285.JPG (1.28 MB) 1 View(s)






 
Ecklers AutoMotive
56_Kruiser 
Valued Contributor
Posts: 2846
56_Kruiser
Loc: St. Augustine, Fl
Reg: 09-23-05
08-24-19 06:55 PM - Post#2773978    
    In response to fander

I suspect it has something to do with clocking of the column/synchronization of the column with the steering sector.

That doesn't look like an Ididit column, but I bet the method is similar.

Check out the 5th page of these instructions form the Ididit site.

1956 Chevy
Vid of 61
61 Chevy


 
pvs409 
"7th Year" Gold Supporting Member
Posts: 2580
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
08-24-19 07:59 PM - Post#2773981    
    In response to fander

That’s a stock column and in 61 & 62 the turn signals are controlled by a wire attached the turn signal cancelling piece (in your picture) and then to the turn signal switch (under the dash ) mounted on top of the steering column.

The wire is connected to the bottom part of switch in a push in clamp (the clamp holds the wire - the wire is pushed into the clamp from the side).

The turn signal switch mounts to the column ( with 2 screws)and slides up and down the column when you move turn signal handle. To center the turn switch on the column - loosen the 2 small hex bolts and slide the switch up or down & retighten the 2 hex bolts to center wire connection to get the left or right turn signal to work and cancell

This factory system has a history of not canceling, I have at least one of my 62’s that does not cancel. I manually turn off the switch.

Paul

57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4 (sold)
62 Imp HT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible
http://paulstensland.com


 
fander 
"3rd Year" Silver Supporting Member
Posts: 169
fander
Loc: Hot Springs South Dakota
Reg: 04-28-12
08-24-19 08:53 PM - Post#2773984    
    In response to pvs409

Thanks Paul. I adjusted the switch on the column. Then I tried replacing it. New parts on turn signal mechanism. No luck. I will just live with it. Not that big a hassle.



 
doubleE 
Valued Contributor
Posts: 3862
doubleE
Loc: Eagan MN
Reg: 06-02-03
08-25-19 05:36 PM - Post#2774035    
    In response to fander

Had same issue with my 62. Determined it was due to slop in the upper bearing, too much lateral movement prevented canceling cam engaging in one direction (don't recall if it was left or right). Replaced the upper bearing eliminating the play... problem solved.

Proud owner of My Blue 62 Impala SS


 
wiz62impala 
Poster
Posts: 94

Reg: 08-12-17
08-30-19 06:25 AM - Post#2774468    
    In response to doubleE

Hey,

Can you elaborate on the upper bearing comment? I replaced my mechanism and still no luck. I’m also learning a lot from this site and not an expert so I am not even sure what you mean by upper bearing.

Thanks so much

1962 Chevy Impala Hardtop 2DR
327 V8, 4 Speed Muncie M21

1980 Cadillac Coupe Deville


 
doubleE 
Valued Contributor
Posts: 3862
doubleE
Loc: Eagan MN
Reg: 06-02-03
08-30-19 10:59 AM - Post#2774480    
    In response to wiz62impala

As I recall the cancel assembly has 2 arms, one for left and the other for right. One is located at the top (above the steering shaft), the other below the shaft. The cancel cam (mounted to the steering wheel) trips these arms when returning the steering to center. For the cam to trip these arms depends on the steering shaft to be "centered". Too much play caused by a bad upper bearing will cause the cancel cam to miss contact with the top one... thus the reason it works one direction (bottom which is for the "right") and not the other (top which is for the "left").

A quick test (and how I discovered this was my problem)is to make a left turn and push up on the steering wheel while completing the turn and see if the signal cancels as it should.

The upper bearing also contains the brass horn contact ring with the green wire that connects to the under dash wiring harness. The repo's are cheaply made, so if you can find an original GM part it's worth the extra $ IMHO. As I remember, I combined parts of the old bearing with the new replacement to come up with a good working part with NO play. Did this over 10 years ago so I don't recall the exact details.
Eric


Proud owner of My Blue 62 Impala SS


 
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