92 olds won't crank, no 12 volts at solenoid, no security warning - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-10-2012, 02:15 AM   #1
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Default 92 olds won't crank, no 12 volts at solenoid, no security warning

Guys I'm trying to trace this circuit back. The only wiring diagram I have is the one off the Autozone website. The iginition switch is represented by box, without showing contact closures.

From the solenoid, it'* purple, then changes to yellow out of the nuetral safety switch and continues all the way to the ignition switch I believe. What'* the input to the ignition switch in order to provide 12v on the yellow.

Any other obvious things to check? Relays? Fuses?

I'm an instrumentation and controls tech for rocket engine testing, but man do I hate automotive schematics

Thanks in advance guys!
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Old 05-10-2012, 07:21 AM   #2
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if your other stuff is working its likely the ign has power to it, back probe the yellow with the key in start you should have 12v. if so see the that you have 12v in and out of neutral safety switch if so you could have an open somewhere between the switch and the starter
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Old 05-10-2012, 05:00 PM   #3
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Thanks, I'll make sure everything is working, but I'm pretty sure. Hopefully that'* all it is.
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Old 05-12-2012, 03:40 PM   #4
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No 12 volts at the nuetral safety. That was with the connector open. Also fuse 1 (crank signal-sir) and 21 IP lighting) had no voltage.

Any other ideas guys?
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Old 05-13-2012, 04:13 PM   #5
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Got her running! Ended being a fuse near the passenger kick panel.
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