The neutral safety switch keeps failing after the truck is shut off?

1992 CHEVROLET 1500
355,000 MILES • 4.3L • 6 CYL • 2WD • MANUAL
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MONDRAGON2710
  • MEMBER
  • 1 POST
No start. I bought two switches already. What could this be?
Oct 29, 2022 at 7:32 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

When you first install the new switch, can you start the vehicle? Have you checked the clutch safety switch for adjustment and power both to it and out when depressed?

I attached the wiring schematic below for the starting circuit. Do me a favor. There should be a yellow wire and a purple wire out from the clutch switch. Check to see if there is power at the yellow one. If there is, depress the clutch and see if there is power out at the purple wire.

Let me know what you find.

Take care,

Joe

See pics below.
Oct 30, 2022 at 8:46 PM
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