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

86 manual neutral switch issue?

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Old Jul 19, 2009 | 11:28 AM
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Default 86 manual neutral switch issue?

Hoping someone has experience with a problem I've had for 2 of the last 5 years I've owned the car. New battery, fully charged. Problem: need to depress the clutch virtually through the floor boards to engage the starter (in any gear). Usually, after running the car, regardless of clutch depression - no start unless jumped. Anyone know whether this is a starter switch adjustment (shop manual has replace instructions - no adjust), starter switch disconnect (not sure I like this option but will do it), or is this potentially a different problem?
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Old Jul 19, 2009 | 11:57 AM
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Check the clutch switch by bouncing the pedal a little while you have it depressed to the floor while attempting to crank the engine when you have your "no start" condition occur. You may need to test, replace or bypass the switch if it is suspect.

There is a "starter enable" relay behind the bezel just above the radio which may be another possible culprit....the relay is closed/activated by the VATS security system when the park/neutral switch cirucit is closed and the ignition key hits the run/start position once the correct ignition pellet resistance is received by the VATS.
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Old Jul 19, 2009 | 01:09 PM
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VATS has been disabled for the entire 5 years I've owned the car so I wasn't thinking that was part of the problem. Still think that holds potential as a solution?
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Old Jul 19, 2009 | 04:27 PM
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So, I depress the clutch to the floor and turn the key. Nothing (no click, no nothing). Then I follow your advice and move the clutch a little while depressed. It starts up. So I repeat, clutch to floor - nothing. Clutch to floor - work the pedal a bit - it starts up. Works a third time as well. So here's my question - why? Loose connection, bad switch? There a way to correct this? I'd hate to have to rely on wiggling a pedal to get it started.
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Old Jul 19, 2009 | 08:08 PM
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If you can't adjust the switch correctly at the pedal , pull the wires off and join them together.
Problem solved
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Old Jul 21, 2009 | 09:49 PM
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Default problem solved

Thanks guys, played with the switch and we're good - you were on the money.
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Old Jul 21, 2009 | 10:07 PM
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Originally Posted by rodj
If you can't adjust the switch correctly at the pedal , pull the wires off and join them together.
Problem solved
...and put a call into for a new garage door ahead of time.
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Old Jul 22, 2009 | 12:00 AM
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Originally Posted by scorp508
...and put a call into for a new garage door ahead of time.

You mean you start a stick car without always having your foot on the clutch?
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Old Jul 22, 2009 | 07:52 AM
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Originally Posted by rodj

You mean you start a stick car without always having your foot on the clutch?
I think everyone has forgotten once or twice and wondered why the car didn't start.
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