Home page
  Home Page   Contact Us   Our History   Advertise with Us   Sponsor List   Link to Us   Compare Levels   Member Agreement   Privacy Policy   About C4VR
  Community Forums   Active Threads   Forum Search   Top Posters List   Private Messenger   C4VR Email System
  Members Vettes & Pictures   Member Stories   Member Stats   Real Time Member Map   Member Search   Member Calendar Entry Form   Who's Online
  C4 Registry Data   C4 Corvette Statistics   C4 Corvette Tips & Tricks   C4 Corvette How-Tos   Corvette Club Listing   Corvette Event Listing   Mechanic Directory   Corvette VIN Decoder   Save the Wave   Corvette Emblem History
  C4 Corvette Parts Auctions on eBay   Corvette Books   C4VR Member Name Badges   C4VR In-Stock Apparel & Accessories   C4VR Custom Apparel & Accessories @ Zazzle   C4VR Window Stickers   C4VR Member Calendars   Shop Amazon.com
☰
SPONSOR AD

Support our Vendors!  |  Advertise Here

Topic: Dash light problem

in Forum: C4 Electrical


Already a Member?
Login
Not yet a Member?
Register for Free!

New Topic New Topic
Post Reply Reply
New Poll New Poll
Search Search
Hide Signatures
Dash light problem (1/6)
 3/7/18 4:24pm
Raptor003
Standard Member
Send Private Message

decatur, AL - USA

Vette(s):
1st and only Vette so far. 1994 Polo Green Matallic base coupe. Bought in November 2013 with 200,000 miles on odometer. Runs great and almost everything works.

Joined: 4/3/2014
Posts: 8

My 94 base with electronic dash works fine until I turn on the headlights. None of the dash lights come on and the LCD display goes blank.
Turn the lights off and they reappear.

A friend told me he thinks heard there is a relay under the dash that operates the system for night driving but I have no idea if that's true or not.

Has anyone else had this problem? If so, I would sure like to know the solution, tired of daylight driving only. 


|UPDATED|3/7/2018 1:24:32 PM (AZT)|/UPDATED|


______________
Reply Reply
Quote Reply w/Quote
Our Sponsors help support C4VR
Re: Dash light problem (2/6)
 3/7/18 9:57pm
Adams' Apple
Standard Member
Moderator
Send Private Message

Duncanville, TX - USA

Vette(s):
1985 Coupe-L98/Auto,Bright Red/Carmine. 1974 Coupe-L48/4speed, Medium Red Metallic/Black Deluxe.

Joined: 3/18/2009
Posts: 2230

Have you tried turning the headlight knob....just to see if it is turned all the way off? I think clockwise is off, and c-clockwise is on...but it may be just the reverse. Sounds simple, but lots of folks forget.
Other than that, it's possible the headlight switch is to blame. Not aware of any relay that controls the LCD/gauge lighting, but there is a fuse...might check the fuses out too. 


______________

Joel Adams  
My Link

    
(click for Texas-sized view!)             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

Reply Reply
Quote Reply w/Quote
Re: Dash light problem (3/6)
 3/21/18 1:30pm
Kettsvette
Standard Member
Send Private Message

Scottsdale, AZ - USA

Vette(s):
1988 Dark Red Metallic Convertible with sports seats, Delco/Bose radio system, Z52 suspension

Joined: 7/8/2014
Posts: 31

My '88 didn't have a relay for these lights but they are operated from the light switch then thru a fuse.  It sounds like the switch might be an area to check but before you go through the process of taking it out and testing it, I would try to see if using a "TV Tuner" cleaner spray might help with the problem.  I have found that electrical connections on the older cars may get some corrosion on the contacts which could cause a problem but using this spray seems to clean them up without pulling the car apart to get to a switch.  Once you spray around and inside the switch stem rotate the stem back and forth so get the spray to work on the contacts.  If this does not work then you may have to spring for a new lights switch.

______________
Reply Reply
Quote Reply w/Quote
Re: Dash light problem (4/6)
 3/22/18 1:19pm
Raptor003
Standard Member
Send Private Message

decatur, AL - USA

Vette(s):
1st and only Vette so far. 1994 Polo Green Matallic base coupe. Bought in November 2013 with 200,000 miles on odometer. Runs great and almost everything works.

Joined: 4/3/2014
Posts: 8

It's not a fuse, all are OK. The dash light rheostat seems to feel intact so I was searching for something else. 
A guy who comes in the O'Reilly's I work for has 2 C4's and said that a relay under the dash should be the problem so that's why I was looking to find out some more about it. 
Thanks for the idea's, I am open to all possibilities.
Love the C4's  and want mine back on road soon. 



______________
Reply Reply
Quote Reply w/Quote
Re: Dash light problem (5/6)
 4/4/18 2:29pm
jmalave
Standard Member
Send Private Message

Laurel, NY - USA

Vette(s):
1986 Base

Joined: 4/30/2017
Posts: 1

It could be the instrument panel itself. Broken solder, weak power supply unit, etc. There are several companies that are experts repairing these. You could contact one and describe your symptoms. They could tell you what test you could run. It's not hard to remove if required. Best of luck.
Reply Reply
Quote Reply w/Quote
Re: Dash light problem (6/6)
 4/6/18 2:58pm
Raptor003
Standard Member
Send Private Message

decatur, AL - USA

Vette(s):
1st and only Vette so far. 1994 Polo Green Matallic base coupe. Bought in November 2013 with 200,000 miles on odometer. Runs great and almost everything works.

Joined: 4/3/2014
Posts: 8

thanks for the reply, I've been so busy at work I haven't had time to even look at my Vette in about a month.
 I will contact some of these people, maybe they can give me the right insight.
Great to have multiple minds working on my problem.


______________
Reply Reply
Quote Reply w/Quote
Our Sponsors help support C4VR