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

led display

Thread Tools
 
Search this Thread
 
Old Jan 30, 2009 | 03:34 PM
  #1  
jjgkdg's Avatar
jjgkdg
Thread Starter
Racer
 
Joined: Feb 2005
Posts: 362
Likes: 0
From: Morristown Tn
Default led display

My led display is going dead. Works fine for a while then goes blank.It comes back but I think it is hosed.1985 coupe. Need new one or can I repair??
Reply
Old Jan 30, 2009 | 04:30 PM
  #2  
captmike13's Avatar
captmike13
Pro
15 Year Member
Veteran: Navy
All Eyes On Me
 
Joined: May 2007
Posts: 659
Likes: 5
From: Holden, MO
Cruise-In IX Veteran
Default

It sounds like you have a connection problem or a ground problem or both. There is a known ground problem not making good contact that runs behind the driver side kick panel near the door. Someone else will chime in with more info.

Mike

Last edited by captmike13; Jan 30, 2009 at 09:10 PM. Reason: Correct spelling.
Reply
Old Jan 30, 2009 | 06:47 PM
  #3  
jjgkdg's Avatar
jjgkdg
Thread Starter
Racer
 
Joined: Feb 2005
Posts: 362
Likes: 0
From: Morristown Tn
Default

doesn t do it at bumps in the road.....random
Reply
Old Jan 30, 2009 | 06:50 PM
  #4  
Muffin's Avatar
Muffin
Race Director
Supporting Lifetime Gold
10 Year Member
 
Joined: Jun 1999
Posts: 14,924
Likes: 9
From: Merritt Ils Fl
Default

Do your turn signals work all the time or does your Hi-beam indicator come on even when the headlights are off? Each of these are an indication of a bad ground.
Reply
Old Jan 30, 2009 | 10:40 PM
  #5  
jfb's Avatar
jfb
Team Owner
20 Year Member
 
Joined: Mar 2001
Posts: 54,124
Likes: 30
From: Cincinnati, Oh USA
Default

LED, light emitting diode. The only LED's in an 85 Corvette is the temperature readout in the climate control.
Reply
Old Jan 31, 2009 | 12:16 PM
  #6  
Ray Quayle's Avatar
Ray Quayle
- 1986 Original Owner -
Supporting Lifetime Gold
Veteran: Navy
25 Year Member
Liked
Community Favorite
 
Joined: Apr 1999
Posts: 3,193
Likes: 139
From: North Yorkshire, England
Cruise-In I Veteran
Cruise-In II Veteran
Cruise-In III Veteran
Cruise-In IV Veteran
Cruise-In VII Veteran
Default

Originally Posted by jfb
LED, light emitting diode. The only LED's in an 85 Corvette is the temperature readout in the climate control.
You won't even find them there on an '85.
Reply
Old Jan 31, 2009 | 07:53 PM
  #7  
captmike13's Avatar
captmike13
Pro
15 Year Member
Veteran: Navy
All Eyes On Me
 
Joined: May 2007
Posts: 659
Likes: 5
From: Holden, MO
Cruise-In IX Veteran
Default

Here's an 85 dash.

Reply
Old Feb 1, 2009 | 12:34 AM
  #8  
jfb's Avatar
jfb
Team Owner
20 Year Member
 
Joined: Mar 2001
Posts: 54,124
Likes: 30
From: Cincinnati, Oh USA
Default

Originally Posted by Ray Quayle
You won't even find them there on an '85.

The 7 bar readout on the climate control uses led's!
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

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

 Joe Kucinski
story-1

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

 Verdad Gallardo
story-2

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

 Joe Kucinski
story-3

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

 Verdad Gallardo
story-4

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-5

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-6

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-7

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-8

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
story-9

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
Old Feb 1, 2009 | 01:29 AM
  #9  
nitronick's Avatar
nitronick
Race Director
20 Year Member
Active Streak: 30 Days
Active Streak: 60 Days
Active Streak: 90 Days
 
Joined: Dec 2004
Posts: 14,998
Likes: 2
Default

www.batee.com under projects/automotive repair/corvette electronics.

everything you need to know about repairing your digi dash.
Reply
Old Feb 1, 2009 | 10:33 AM
  #10  
Ray Quayle's Avatar
Ray Quayle
- 1986 Original Owner -
Supporting Lifetime Gold
Veteran: Navy
25 Year Member
Liked
Community Favorite
 
Joined: Apr 1999
Posts: 3,193
Likes: 139
From: North Yorkshire, England
Cruise-In I Veteran
Cruise-In II Veteran
Cruise-In III Veteran
Cruise-In IV Veteran
Cruise-In VII Veteran
Default

Originally Posted by jfb
The 7 bar readout on the climate control uses led's!
Climate Control wasn't available until '86!
Reply
Old Feb 1, 2009 | 10:57 AM
  #11  
engle1147's Avatar
engle1147
Le Mans Master
Supporting Lifetime
 
Joined: Jul 2007
Posts: 5,043
Likes: 8
From: Tampa Florida
Default

Originally Posted by Ray Quayle
Climate Control wasn't available until '86!
Reply
Old Feb 3, 2009 | 07:31 PM
  #12  
jjgkdg's Avatar
jjgkdg
Thread Starter
Racer
 
Joined: Feb 2005
Posts: 362
Likes: 0
From: Morristown Tn
Default

Ok guys I meant the digi dash. The upper left hand corner is dimmer than the rest of it. When it quits it goes haywire then dark frozen in a haywire state. Then back to normal. The upper left hand corner is still dimmer than the rest of it. No high beam or turn signal problems.
Reply
Old Feb 3, 2009 | 08:41 PM
  #13  
engle1147's Avatar
engle1147
Le Mans Master
Supporting Lifetime
 
Joined: Jul 2007
Posts: 5,043
Likes: 8
From: Tampa Florida
Default

Originally Posted by jjgkdg
Ok guys I meant the digi dash. The upper left hand corner is dimmer than the rest of it. When it quits it goes haywire then dark frozen in a haywire state. Then back to normal. The upper left hand corner is still dimmer than the rest of it. No high beam or turn signal problems.
Sounds like you've just got a bad connection at the bulbs or bulb socket. There are 4 bulbs that backlight the LCD panels in digital dash cluster. Remove the heat diffsuser over the problematic bulb and swap the bulb out. If you still have problems you'll have to diassemble the cluster to remove and clean/change the bulb sockets. This task is easier than it sounds.
Reply
Old Feb 3, 2009 | 09:00 PM
  #14  
joecarter85's Avatar
joecarter85
Instructor
 
Joined: Jul 2007
Posts: 132
Likes: 0
From: Austin Texas
Default

Originally Posted by Ray Quayle
Climate Control wasn't available until '86!
you guys are brutal!!!! LED's LCD's.....just stick with the tried and true...."Nintendo dash" .......no confusion here...

Reply
Old Feb 3, 2009 | 09:16 PM
  #15  
engle1147's Avatar
engle1147
Le Mans Master
Supporting Lifetime
 
Joined: Jul 2007
Posts: 5,043
Likes: 8
From: Tampa Florida
Default

Originally Posted by joecarter85
you guys are brutal!!!! LED's LCD's.....just stick with the tried and true...."Nintendo dash" .......no confusion here...

"Atari" dash!
Reply
Old Feb 4, 2009 | 12:58 PM
  #16  
Ray Quayle's Avatar
Ray Quayle
- 1986 Original Owner -
Supporting Lifetime Gold
Veteran: Navy
25 Year Member
Liked
Community Favorite
 
Joined: Apr 1999
Posts: 3,193
Likes: 139
From: North Yorkshire, England
Cruise-In I Veteran
Cruise-In II Veteran
Cruise-In III Veteran
Cruise-In IV Veteran
Cruise-In VII Veteran
Default

Originally Posted by engle1147
Originally Posted by joecarter85
you guys are brutal!!!! LED's LCD's.....just stick with the tried and true...."Nintendo dash" .......no confusion here...

"Atari" dash!
Sorry, to pick nits. My poor sense of humor I'm afraid.

An interesting fact though is that there is a chip on the CPU board that was actually used in early Atari gear. It's called a VIA or Versatile Interface Adapter and is a 40 pin chip at U3 on the CPU board. It is a Delco piece, but was designed for the Atari and was used in many early computers. It conditions Tach and Speedo signals for input to the CPU and processes the Function Select Switches. Did a repair on a cluster where this chip had failed and actually managed to find a place that had them! Bought the ten they had, cause you never know.
Reply
Old Feb 4, 2009 | 01:04 PM
  #17  
Ray Quayle's Avatar
Ray Quayle
- 1986 Original Owner -
Supporting Lifetime Gold
Veteran: Navy
25 Year Member
Liked
Community Favorite
 
Joined: Apr 1999
Posts: 3,193
Likes: 139
From: North Yorkshire, England
Cruise-In I Veteran
Cruise-In II Veteran
Cruise-In III Veteran
Cruise-In IV Veteran
Cruise-In VII Veteran
Default

Originally Posted by jjgkdg
Ok guys I meant the digi dash. The upper left hand corner is dimmer than the rest of it. When it quits it goes haywire then dark frozen in a haywire state. Then back to normal. The upper left hand corner is still dimmer than the rest of it. No high beam or turn signal problems.
Sorry, just havin' a little fun. The dim corner sounds like one of the halogens as engle1147 mentioned. The "frozen in a haywire state" sounds like it could be power supply.
Reply

Get notified of new replies

To led display





All times are GMT -4. The time now is 03:15 PM.

story-0
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-1
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-2
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-3
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-4
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
story-5
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-6
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-7
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-8
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-9
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE