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No crank no start

Tiny
TOM KENNINGS
  • MEMBER
  • 2007 CHEVROLET SUBURBAN
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 134,000 MILES
Car was running pulled in driveway shut off. Now no start, has no signal to the starter, good battery and connections all engine and body grounds good. Was told it could be the BCM. Would that ruin the start circuit?
Monday, February 24th, 2020 AT 10:54 PM

7 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

Yes, it could. In the diagrams down below I have included the starting circuit wiring diagram for your vehicle. As you can see on the wiring diagram both of the wires coming from your ignition switch go to the BCM. I have also included instructions from the vehicle manufacturer for the removal, installation, and programming of your vehicle's BCM. Please go through these guides and get back to us with what you find out.

Thanks,
Alex
2CarPros
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Tuesday, February 25th, 2020 AT 8:28 AM
Tiny
KAKANDE RONALD
  • MEMBER
  • 7 POSTS
Hello Mr Scgranturismo, where can I also get such repair information like wiring diagrams and more?
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Wednesday, February 26th, 2020 AT 2:04 PM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello again,

You can get them right here. What wiring diagrams do you need?

Thanks,
Alex
2CarPros
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Wednesday, February 26th, 2020 AT 4:55 PM
Tiny
KAKANDE RONALD
  • MEMBER
  • 7 POSTS
I have just completed my auto electrical coarse and now I have got a chance to work somewhere! So I need wiring diagrams and other repair information to ease my diagnostics.
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Thursday, February 27th, 2020 AT 10:33 AM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello again,

I'm glad to hear that. What wiring diagrams do you need?

Thanks,
Alex
2CarPros
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Thursday, February 27th, 2020 AT 6:10 PM
Tiny
KAKANDE RONALD
  • MEMBER
  • 7 POSTS
Hello again, I mostly need wiring diagrams for engine management systems and other related computer controlled systems.
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Friday, February 28th, 2020 AT 8:58 AM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello again,

Here are the Powertrain Management wiring diagrams for your vehicle. I hope that these help.

Thanks,
Alex
2CarPros
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Friday, February 28th, 2020 AT 10:26 AM

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