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Engine will not crank

Tiny
BOBBY PATE
  • MEMBER
  • 1989 GMC SIERRA
  • 2,905,474 MILES
I push my clutch in and turn my key and it won't do anything. Replaced the battery thinking it was it because the voltage went down, I can pull turn the key on pull started and it'll run but if it shuts off and it won't crank again. I already replaced the clutch sensor switch.
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Thursday, December 9th, 2021 AT 6:25 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

You need to go to the clutch switch and check for voltage to the connector with the key in the start position. You need voltage there. It comes directly from the ignition switch.

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

I attached the wiring diagram for you to view.

From the switch, it goes to the starter motor. It is the purple wire on the starter solenoid.

Roy

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Thursday, December 9th, 2021 AT 7:01 AM

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