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

87 ignition switch

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Old Oct 25, 2009 | 08:34 PM
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From: Moreno Valley CA
Default 87 ignition switch

I have an 87 Vet with a startup problem. Some times when I try to start the engine there is no fire after cranking the engine for two seconds. Then I will do it again and usually it will start. I have put my timing light on it and watched during cranking. When the light starts to flash, the engine fires right up. I figure I have a ignition switch going. Has anyone removed and installed a new ignition in one of these series. I don't want to remove the steering column. I will welcome advice and comments.

Gary
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Old Oct 25, 2009 | 10:52 PM
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The ignition switch is on top of the steering column behind the instrument panel and is actuated by a rod from the ignition lock. You do not have to do anything to the steering column.
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Old Oct 26, 2009 | 11:06 AM
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Before you replace the switch, check and see if you have power to the BAT terminal on the dist cap during cranking when its not starting. If you do its not the switch.
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Old Oct 26, 2009 | 01:33 PM
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Default Voltage test at BAT

I have not hooked the volt meter to the BAT terminal during cranking. I assume that an inductive timing light not flashing during a two second cranking. Then crank for teo more seconds with no timing light flash and on the third try the light starts to flash and immediately starts up just fine. I can drive the Corvette all over town with no problems at all. Maybe I am missing something.

Anyway, Can the steering column be dropped to gain access to the ignition switch?

Gary
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