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No crank, no start

Tiny
CARRREPAIR7
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 185,472 MILES
Okay, so, the vehicle listed above is a z71 flex fuel. I’m having a no crank, no start, no click issue. It has a new starter, a new ignition switch and a new 40-amp ignition fuse. When it’s doing this if I go key on and jump the starter to start the truck, I get a p0758 transmission code for the 2-3 shift. The other thing that happens is the blower will not work. It is very odd. It’s been to the dealer they said faulty ignition switch and a blown 40-amp fuse worked for a few starts and now I’m having the same problem again.
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Wednesday, May 11th, 2022 AT 12:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,556 POSTS
Hi,

Do you know if it is the 40-amp ignition fuse A or B? I need to know that so I can trace things.

The idea that the blower doesn't work almost sounds like a faulty ignition switch. Since it is new, the next guess would be a faulty connection.

Take a look through the wiring schematics below for the starting circuit. I'm adding it so you have a reference. Let me know what fuse it is so I can go further into the schematics.

Let me know.

Take care,

Joe

See pics below.
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Wednesday, May 11th, 2022 AT 8:20 PM

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