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

All the lights went out while driving

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Old Dec 15, 2011 | 09:13 AM
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Default All the lights went out while driving

going to work this morning the headlights and all the the instrument lights went out on my 1989. Pushed in the headlight switch **** and pulled it back out and everything lit up again. The digital dash reset as if the battery had been disconnected. The engine never missed a beat during the blackout. Is this a headlight switch replacement only?
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Old Dec 15, 2011 | 01:58 PM
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Try turning the lights on, then wiggling the switch to see if you can make the lights hiccup.
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Old Dec 15, 2011 | 03:21 PM
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I will try that, I know the switch has a built in circuit breaker that kicks if the switch overheats, that could have been what happened...I didn't think it would reset the digital dash, trip odometer back to 0.0 just by cutting off the lights, going dark is pretty scary at 70mph....
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Old Dec 15, 2011 | 07:26 PM
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Change the switch and check the wiring to and from the switch. There is no circuit breaker on the switch.
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Old Dec 15, 2011 | 08:18 PM
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Originally Posted by 383vett
Change the switch and check the wiring to and from the switch. There is no circuit breaker on the switch.
According to the FSM, there is a circuit breaker.

http://members.shaw.ca/agent86/Headl...0Foglights.pdf
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Old Dec 15, 2011 | 08:27 PM
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Originally Posted by AGENT 86
According to the FSM, there is a circuit breaker.

http://members.shaw.ca/agent86/Headl...0Foglights.pdf
My bad, learn something new every day.
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Old Dec 15, 2011 | 08:35 PM
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Every day I learn something here. Before the Vette, all I knew was 9 wires and 4 hoses.
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Old Dec 15, 2011 | 08:42 PM
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When that happened in my 84 I just thumped the dash and the cluster would light back up. Sold it before I tried to fix it.
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Old Dec 15, 2011 | 09:41 PM
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Bad ground at battery or connection to frame/ motor.

I had this same issue on my 93
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