Will not start

Tiny
KASIDAVISON13
  • MEMBER
  • 2010 GMC YUKON HYBRID
  • 6.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 30,000 MILES
My battery is charged, car won't start.
Saturday, May 16th, 2020 AT 12:37 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

Does the starter engage and turn the engine? If it does, then I need you to check for spark and fuel. Here are two links that explain how to do that:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

If the starter doesn't engage, try starting it in neutral. If it still doesn't start, check fuse 62 in the under hood fuse box. See pic 1.

If the fuse is good, then I need you to check for power to the starter itself. On the starter, there is a heavy gauge wire that will have 12v all the time. Near it is a smaller wire that only gets power (12v) when the key is in the start position. That is the one I need you to check. You will need a helper. Here is a link that explains how that is done:

https://www.2carpros.com/articles/starter-not-working-repair

_______________________________________

Let me know what you find or if you have other questions. Note that the above suggestions are based on two different conditions, the starter works or not. So you will only need to follow one set.

Take care and let me know.

Joe
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Saturday, May 16th, 2020 AT 10:32 PM

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