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Old 08-19-2018, 11:03 PM   #8
Steeveedee
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Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,019
Re: Ignition switch question

If everything else that should be on when the key is on works, your next step is to follow the Start circuit wiring. Take a test light and see if you have power to the neutral safety switch. Turn the key to start and check for power on both sides of that fat purple wire. Power on neither means that that switch isn't getting power, and the fault lies between the ignition switch and the neutral safety switch (rare). Power on one side and not on the other means that either the switch is not adjusted properly or is toast. If you have power on both sides of the switch when the key is turned to the "start" position, move downstream to the starter and check if there is power there. If there is, at least you solenoid is toast. If you have no power there (rare) the wire is broken.

Report back with results for these preliminary test cases.
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'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper

Simi Valley, CA
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