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

'93 stalling

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Old Nov 23, 2005 | 03:48 PM
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Default '93 stalling

Last Sunday evening I took my '93 40th Anniv out for a ride. It ran great for about a half an hour. It got dark, I turned on the headlights, was running about 60-65mph and the car stalled. It started right back up, but continued to stall about every three miles all the way home. I took it for a short ride the following morning and it ran fine, never stalled. Could the stalling have anything to do with headlights ?
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Old Nov 23, 2005 | 04:01 PM
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Headlights don't compute - but it's real easy to check. Turn on the headlights during your daytime drive and see what happens.

I'd look for a heat-related failure before headlight-related. Several electrical components can change state with heat soak.

First check (always) - did it throw any codes? Check and post results if you still need an assist. Good luck,
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Old Nov 25, 2005 | 09:09 AM
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Just out of curiosity, what is the alternator output at idle? Then measured with a load, as in headlights, fan on, etc.

dlmeyers 90 coupe zf6 3 speed shocks
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Old Nov 25, 2005 | 10:56 AM
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Originally Posted by rbeckert
Last Sunday evening I took my '93 40th Anniv out for a ride. It ran great for about a half an hour. It got dark, I turned on the headlights, was running about 60-65mph and the car stalled. It started right back up, but continued to stall about every three miles all the way home. I took it for a short ride the following morning and it ran fine, never stalled. Could the stalling have anything to do with headlights ?
Are you familiar with pulling DTC codes? Surely there would be a DTC set for this type of condition.
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Old Nov 25, 2005 | 11:00 AM
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Well, this happened to me on one of my older cars. At night, with the headlights on, stereo going and the wipers on, if I flicked on the high beams, the car would stall.

I never chased down the exact problem since it had a new alternator,new battery,new starter and new battery cables. All the other wiring was original(1968). Definitely an electrical problem in my case.
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