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Old 08-11-2016, 01:20 PM   #1
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Default Ignition Switch Issue

I think my switch is bad but am not sure since the topic of main relay and/or other wiring being bad has also been brought up. The car itself is a '96 with an S2000 starter wired in.

Here are my symptoms:
- Key off, no power to anything
- Key acc on, power to blower and seemingly starter (I have not checked if windows or wipers get power at this time)
- I can actually hit the S2000 button and the starter will turn over but no start since pump isn't getting power
- Key start on, power to everything, pump primes, car starts

What I have done:
- Cleaned out the ignition switch and then broke a tab putting it back together. Did not change the symptoms other than me fretting about a broken tab and it's effect.
- Although the switch worked, I said screw it and threw in a spare that was in perfect condition.

What should I be primarily checking? Trace every wire out of that white connector? Looks like the white wire is hot and then creates a hot condition on the blue wire going off into the fuse box, even without the key in start position - indicative of a bad white connector? Or is that the result of the switch itself?

Thanks much for any assistance provided.

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Old 08-11-2016, 04:33 PM   #2
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The key-ignition switch sounds like it is working perfectly, your issue is with the alternate push-button start. How do you have it wired up, exactly?
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Old 08-11-2016, 11:12 PM   #3
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Big Red Button - pretty much how it is wired.

Haven't had downtime tonight to head into garage - hopefully trace this issue down ....
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Old 08-12-2016, 01:12 PM   #4
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I'd guess the relay handling the IGN2 (accessories) isn't doing its job. (That would be "black with red stripe (IG2)" according to your link) Check it out when you can (??)
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Old 08-15-2016, 11:28 AM   #5
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Relay tested fine. Went back to the wiring. Loose connection seems to be isolated to the white connector. I don't have a spare so for now, it is as it was but looking for a miata in the local yards to try and snip off a spare white connector that I can use.
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