C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

90 dimmer multi function switch part- help identify what all needs replacing

Thread Tools
 
Search this Thread
 
Old Feb 28, 2020 | 07:00 PM
  #1  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default 90 dimmer multi function switch part- help identify what all needs replacing

While fixing the tilt pin, this piece broke off in the dimmer/turn/multi-function switch area. Upon further inspection , this seems to be the piece that connects the turn stalk to the dimmer rod on the column. Would a multi-function switch (pictured below) include what I need? Thanks.

part broke from 90 corvette dimmer switch
, and what does this piece look like it broke from? I have the wheel off but can't get a plate puller until tomorrow and want to go ahead and order the part that I need. Thanks! (tips on what all I need to pull would help too...the manual seems to show I can leave the ignition switch in place).

Do I need this...



Last edited by corvette95; Feb 28, 2020 at 07:44 PM. Reason: added photo
Reply
Old Feb 28, 2020 | 11:02 PM
  #2  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

Do you see any broken edges on it because it generally floats and slides, the 1/2 moon presses on the end of the Dimmer rod and is held in place by the side cover and if memory serves there may be a square nub by the rod or on the cover that works as a guide.

Last edited by s carter; Feb 28, 2020 at 11:05 PM.
Reply
Old Feb 29, 2020 | 08:08 AM
  #3  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Yeah, the plastic piece is definitely broken off from somewhere
Reply
Old Feb 29, 2020 | 11:46 AM
  #4  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

Here is a source, Just hit link
https://corvetteparts.com/item/actua...lide-1990-1996

Last edited by s carter; Feb 29, 2020 at 11:48 AM.
Reply
Old Feb 29, 2020 | 12:39 PM
  #5  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Originally Posted by s carter
Thanks! Thats it. I am wrestling with the column right now. I just got the shroud off, do you have a picture of how that fits together? I thought it would be obvious once I got the cover off but as for now it is not. Also, I did buy the multi-function switch earlier as I thought it would be what I needed, figure I would replace it while it is off, the a/c delco switch I got today is identical EXCEPT there is a black wire on the current connector that goes to a ground on the column that the replacement switch doesn't have, the pin for it isn't even there. Are you familiar? Here are some pictures...








new switch missing ground wire to column



Reply
Old Feb 29, 2020 | 02:15 PM
  #6  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

Maybe they expect you to remove the ground terminal from old loom and move it to new? As for the assembly of the slide I know the 1/2 moon rides on the end of the rod and I believe the guide for the slide is in the cover pieces.
Reply
Old Feb 29, 2020 | 04:49 PM
  #7  
WVZR-1's Avatar
WVZR-1
Team Owner
20 Year Member
Veteran: Army
Active Streak: 30 Days
Liked
 
Joined: Sep 2003
Posts: 25,389
Likes: 2,741
Default

Buy the dimmer actuator locally! GM # 7827028. Pin D is I believe not populated on a new directional switch. Item #24 in your image orientates the dimmer actuator.

Last edited by WVZR-1; Feb 29, 2020 at 04:54 PM.
Reply
Old Feb 29, 2020 | 06:48 PM
  #8  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Any idea where this metal spring/insert goes, it fell of some where I dont see where
Thanks

Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-1

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-2

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-3

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-4

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-5

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-6

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-7

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-8

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-9

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
Old Feb 29, 2020 | 08:00 PM
  #9  
WVZR-1's Avatar
WVZR-1
Team Owner
20 Year Member
Veteran: Army
Active Streak: 30 Days
Liked
 
Joined: Sep 2003
Posts: 25,389
Likes: 2,741
Default

Clip/spring for ignition buzzer - see 3F4A-5 figure #7

Last edited by WVZR-1; Feb 29, 2020 at 08:02 PM.
Reply
Old Feb 29, 2020 | 11:16 PM
  #10  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

The turn switch itself seems to be cracked and I can’t find that part anywhere, GM or aftermarket. That may be the reason I can’t get the dimmer slide to fit properly. I have the column tilt cover all the way off. I ordered the slide but not sure that is going to be all I need. It seems like I need to put the tilt cover back together and on the column before I try to install the turn switch and dimmer slide. I may try to plastic weld the turn switch . What a pain.
Reply
Old Mar 1, 2020 | 08:18 AM
  #11  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

I have put the slide in with all put together just side cover off, used a few choice words but did it.
Try to insert a photo of what you feel is cracked.
Reply
Old Mar 1, 2020 | 08:43 AM
  #12  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Originally Posted by s carter
I have put the slide in with all put together just side cover off, used a few choice words but did it.
Try to insert a photo of what you feel is cracked.
I can't figure out how this goes, here is the crack....








Last edited by corvette95; Mar 1, 2020 at 08:48 AM. Reason: added photo
Reply
Old Mar 1, 2020 | 09:43 AM
  #13  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

you have many apparently cracked/broken parts there. either your car has been the Victim of a Very Rough Mechanic or a Thief those Wounds are common in a Lock Punch out (Futile VATs) You might get away with not having to replace them in a lot of cases their just ugly but functional but you would need to go by a Case by on the replacement.
The slide picture (Like this?) correct location but I believe it's out 180(Disregard out 180 is correct as pictured ), the 1/2 moon on the slide pushes against the Light rod end. if you notice the rod has a curve to it the 1/2 moon allows the slide to follow no matter what position the Colum is tilted. Now the other of slide has a Flat area on the other end that is pushed by the finger on the Directional Lever.

Last edited by s carter; Mar 1, 2020 at 12:54 PM.
Reply
Old Mar 1, 2020 | 11:10 AM
  #14  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Where does this spring clip go?
Reply
Old Mar 1, 2020 | 12:21 PM
  #15  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

Most of what your asking these parts go in later in assembly, now the spring clip you're asking about as WVZR-1 said it goes with the key minder.

Here is a you tube not corvette but some of your questions may be answered if I find a better I will link it.

. I would like to make a correction the like this photo in post #12 is correct that is way it goes, I got turned around on the Tilt lever hole. So as pictured good

Last edited by s carter; Mar 1, 2020 at 12:46 PM.
Reply
Old Mar 1, 2020 | 02:39 PM
  #16  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Got the thing back together, even thought I had a chance to have fixed it. Now , somehow, the steering shaft has moved toward the steering wheel and it will not connect to the steering linkage, how the h$ll did this happen? I have done everything I know to try to push it down, I’m now about an inch and a half short.
Reply
Old Mar 1, 2020 | 03:52 PM
  #17  
s carter's Avatar
s carter
Melting Slicks
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2014
Posts: 2,892
Likes: 592
From: New Port Richey FL
Default

Give a bit of a tug on the very bottom of shaft it's probably part of the collapsible steering column and to allow for slight difference in manufacturing


. Also I hope you have been good about NOT letting steering wheel and shaft turn to much, you're Air Bag Clocking spring/wire coil only has a few turns of error and if you run out of wraps wire will break throwing an Air Bag light and then Will need to be replaced and that would require top 1/2 taken apart top of Directional plate.


Last edited by s carter; Mar 1, 2020 at 04:17 PM.
Reply

Get notified of new replies

To 90 dimmer multi function switch part- help identify what all needs replacing

Old Mar 1, 2020 | 04:28 PM
  #18  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

I am way past that, so many things wrong I am just getting a new column, I will do the factory clockspring reset when I get it or find one. Two days of this is all I can take . I did get it together but I don’t trust it .
Reply
Old Mar 2, 2020 | 08:03 AM
  #19  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

A big thanks to S Carter and WVZR-1 , both of you were a big help. At this point I could do the column rebuild in a hour or less not counting access time. I could probably use this column but I had to fix some plastic parts that are no longer available. If I can get a reman column I would feel better about putting that in there due to the labor hours it takes to RR the shaft. I did have to repair the wiper switch and the plastic housing but the biggest issue is a stripped 7mm bolt at the shaft end of the column that holds the bottom in place. I could not successfully drill it out. If I can't find a reman column (BTW what is the difference in a 90 verses 91-93) I will take it to a machine shop. The video's linked I had watched , and many others, the Corvette has a few different parts like the wiper switch, a few different inside pieces... I guess on the metal clip- the diagrams were not detailed enough to see, but I put it under the buzzer electrical clip and 97% sure that was right. Anyway, again, thanks!
Reply
Old Mar 2, 2020 | 08:04 AM
  #20  
corvette95's Avatar
corvette95
Thread Starter
Melting Slicks
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 3,214
Likes: 101
From: Decatur, Alabama
Default

Originally Posted by s carter
Give a bit of a tug on the very bottom of shaft it's probably part of the collapsible steering column and to allow for slight difference in manufacturing


. Also I hope you have been good about NOT letting steering wheel and shaft turn to much, you're Air Bag Clocking spring/wire coil only has a few turns of error and if you run out of wraps wire will break throwing an Air Bag light and then Will need to be replaced and that would require top 1/2 taken apart top of Directional plate.
The springs and retaining clips just hangs loose at the bottom of the shaft? I got the clearance back, just looks wrong but I didn't look at it before hand and can't see it on my other cars.
Reply




All times are GMT -4. The time now is 07:32 PM.

story-0
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-1
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-2
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-3
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-4
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-5
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-6
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-7
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-8
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-9
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE