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Engine not cranking

Tiny
JOHN WALDROP
  • MEMBER
  • 2005 GMC SIERRA
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
Yesterday I changed the transmission in my truck, it's the same transmission it came out of the same year model truck exactly identical. I put everything back together, now my truck won't start. I checked the starter, all the lights are coming on my dash, but it's not even turning over. Can you please tell me what would be the problem?
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Wednesday, May 25th, 2022 AT 11:07 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi,

By chance, do you hear anything when you try to start, such as a click?

If you look below, I attached the wiring schematic for the starter. There are several fuses that should be checked.

In the under-hood fuse box, ign A, ign B, ign, E, and the crank fuse. Check to make sure they are good. It's easy to have a slight short when working that causes a fuse to fail.

Let me know what you find.

Take care,

Joe

See pics below.
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Wednesday, May 25th, 2022 AT 7:56 PM

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