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

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Old Feb 12, 2012 | 06:30 PM
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1985 c4 corvette.

when i turn my left turn signal on, it turns on but dose not flash on and off. usually i can hear a clicking from the dash, but dont hear it. when i turn the right on i hear the clicking.
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Old Feb 12, 2012 | 07:55 PM
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A burned out bulb or bad connection will do this.

This happened once on my '87 and I tracked the problem down to the right front light. I pulled the bulb & the filament was fine. I put it back in and all was well---just pulling & reconnecting it improved the connection enough for it to work.
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Old Feb 12, 2012 | 08:18 PM
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Originally Posted by 3D87C4
A burned out bulb or bad connection will do this.


One of the left turn signal bulbs is probably burned out.
They are dual filament bulbs, so you'll still have parking lights.
If the bulb is burned out, the turn signal flasher (what you hear clicking) won't work.

Also, this isn't anything specific to Corvettes.
Every GM car I've ever owned worked this way.
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Old Feb 13, 2012 | 02:02 AM
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Try the 4-way flasher mode and see how that works.
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Old Feb 22, 2012 | 08:28 PM
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how would i go about checking the rear lights? i dont wanna mess anything up because at the moment i dont have a job
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Old Feb 22, 2012 | 08:35 PM
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Originally Posted by Cliff Harris
Try the 4-way flasher mode and see how that works.


Tried this yet? This uses a different flasher than the turn signals & may help identify the bad bulb (if that's the problem).
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Old Feb 22, 2012 | 09:33 PM
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Originally Posted by spartanc4vette
how would i go about checking the rear lights? i dont wanna mess anything up because at the moment i dont have a job
Turn the ignition on, push the signal lever down, walk behind the car and see if the rear light is on. If not, change the bulb and get a job.
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Old Feb 22, 2012 | 10:12 PM
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My 85 is doing the same thing. I thought I was going to have to replace the flasher but I will check all bulbs first with the four ways. That was something I had not considered.
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Old Feb 23, 2012 | 07:13 PM
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Originally Posted by 383vett
get a job.
im trying my best (( small town not many jobs
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Old Feb 23, 2012 | 07:34 PM
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found the problem, left outer tail light. its burned out. next question is how do i go about replacing it?
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Old Feb 23, 2012 | 07:50 PM
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Haven't done it myself, but got this from a search:

http://forums.corvetteforum.com/c4-g...ps-w-pics.html

http://forums.corvetteforum.com/1568414438-post5.html

http://forums.corvetteforum.com/c4-g...post1568414438
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Old Feb 23, 2012 | 08:16 PM
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Originally Posted by spartanc4vette
im trying my best (( small town not many jobs
On, the record, I wasn't being a smart ***. Just my attempt at humor. Remove the two phillips screws on the side of the outside lens, remove the lens and change the bulb. Then move to another town and get a job.
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Old Feb 23, 2012 | 08:23 PM
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Oh, now that sounds a lot easier...









the bulb part, I mean.
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Old Feb 23, 2012 | 10:48 PM
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Originally Posted by 383vett
Then move to another town and get a job.
lol XD
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Old Feb 23, 2012 | 11:02 PM
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Originally Posted by 383vett
On, Remove the two phillips screws on the side of the outside lens, remove the lens and change the bulb.
no such screws
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Old Feb 24, 2012 | 08:45 AM
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Originally Posted by 383vett
Remove the two phillips screws on the side of the outside lens, remove the lens and change the bulb.
No outside screws on the early model C4

Originally Posted by spartanc4vette
no such screws
The early model C4 did not have screws on the outside.

Doing a quick search on changing bulbs, I found these:
http://forums.corvetteforum.com/c4-t...n-signals.html
http://forums.corvetteforum.com/c4-g...ail-light.html
http://forums.corvetteforum.com/c4-g...ail-light.html
http://forums.corvetteforum.com/c4-g...ight-bulb.html
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Old Feb 24, 2012 | 10:30 AM
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Originally Posted by spartanc4vette
no such screws
My bad. My original lights are up in the attic with my brain. My newer lights have screws.


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Old Feb 24, 2012 | 08:11 PM
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got her done, my brother was able to put his arm in from the bottom and get out and and put back in. problem fixed D
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Old Feb 25, 2012 | 10:48 AM
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Glad you got it working. Next time it happens consider this product.

http://kalecoauto.com/index.php?main...&products_id=6
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Old Feb 25, 2012 | 06:42 PM
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Originally Posted by HlhnEast
Glad you got it working. Next time it happens consider this product.

http://kalecoauto.com/index.php?main...&products_id=6
lololol
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