No crank no start issue

Tiny
MY03CHEVY
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
Will not start. Will not turn over. No clicking from the starter. Headlights work fine. Battery is fully charged. Dash lights come on. No window power. No door lock power. No radio. Anyone have any ideas?
Thursday, November 22nd, 2018 AT 10:58 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi and thanks for using 2CarPros.

First, have you checked main fuses under the hood? First, check fuses 17, 22, and 34 located in the under hood fuse box. I attached a picture of the fuse box and orientation of the fuses. Also, I attached a picture of the wiring schematic so you can see where the flow of power is coming from and going. I had to break the schematic in two because of its size.

Fuse 34 is what I think has blown. It provides power to the starter and ignition.

Here are a couple links that discuss a fuse, how to check, and replace:

https://www.2carpros.com/articles/how-a-car-fuse-works

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Let me know if this helps.

Take care,
Joe
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Thursday, November 22nd, 2018 AT 7:36 PM
Tiny
MY03CHEVY
  • MEMBER
  • 1 POST
Fuses are fine. I did a little more troubleshooting and during that process the ignition switch decided to key my key. At this point I believe the Ignition switch to be the culprit. I know the button trick, so I got my key back. I will let you know the outcome when I get the new switch in. Thanks.
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Friday, November 23rd, 2018 AT 12:32 PM

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