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Topic: 1990 won't run!!!

in Forum: C4 General Discussion


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1990 won't run!!! (1/5)
 10/10/14 8:06pm
Weedracer
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Joined: 12/10/2013
Posts: 7

I'm looking for a reputable corvette tech in the Cincinnati area, something wrong with the security system, vats bypass did not work, if the digital gauge cluster and interior lights don't come on when you open the door or try to start the car , it won't start, but sometimes you get lucky and open the door and the interior lights come on, the car will start, but don't shut it off if the gauge cluster flickers out or your stuck till it feels like starting again, could be a week could be three months, I've owned the car for 2 years and got to drive it 4 times, HELP!!!!!!!
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Re: 1990 won't run!!! (2/5)
 10/21/14 7:56am
REDVETTE85
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NORTON, OH - USA

Vette(s):
1985 C4 red, 1985 C4 Black and dark gray


Joined: 7/9/2012
Posts: 111

Have you made SHURE the battery cables are Tight  I would double check them You got a bad connection somewhere
Re: 1990 won't run!!! (3/5)
 12/17/14 6:34pm
Weedracer
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Joined: 12/10/2013
Posts: 7

I've tried all the connections, everything is new, cables battery etc. it did start and run but I noticed the computer box, I think it is , right above the battery gets scalding hot after a few minutes of running, you can't even touch it, I shut it off and now it's back to the same old problem. I guess my local chevy dealer is going to get a visit
Re: 1990 won't run!!! (4/5)
 12/17/14 11:44pm
Adams' Apple
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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

The PCM will normally get a bit warm, but it shouldn't be so hot you can't touch it. Especially after just a few minutes running. Something ain't right.(duh?) Might have a component that is drawing too much amperage, for the internal drivers to handle. Sure need to scan for codes....

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Re: 1990 won't run!!! (5/5)
 12/18/14 9:12pm
Weedracer
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Joined: 12/10/2013
Posts: 7

Thanks for the advise, I have a neighbor who has a 1990 like mine and his PCM gets a little warm but nothing like mine, you can smell the plastic it gets so hot in my c-4, thanks everybody for your advise, I'm going to haul it down to my local dealer after the holidays, it sure is fun to look at but I'd much rather drive it this spring, haha, I'll throw a post once I get it back and let you know what was going on with it, Weedracer.
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