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Engine and ignition coil harness wiring please!

Tiny
BOBBYPUE DOPEHI
  • MEMBER
  • 40 POSTS
B1440, B1433, B1380. Power mode master input circuits correlation. Ignition switched power relay 2 circuit. Control module ignition accessory circuit.
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Wednesday, October 14th, 2020 AT 2:47 PM
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2008 CHEVROLET AVEO
  • 57,000 MILES
Hi! I am seeking a wiring diagram. An ECU pinout, or ecu wiring schematic for the 2008 Chevy Aveo LS sedan, Manual transmission. I have called dealers, who told me to call GM, who told me to call a dealer, who told me they can't give out wiring schematics. So, I've been getting the runaround. All I need is a pdf or jpeg of the ecu wiring. Can ya'll please help? I appreciate the time and any information.
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Wednesday, October 14th, 2020 AT 2:47 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Here is the wiring diagrams for the engine ECU and a guide to help you check the connections.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (Below). Please let us know what happens.
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Wednesday, October 14th, 2020 AT 2:47 PM (Merged)
Tiny
BOBBYPUE DOPEHI
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  • 40 POSTS
If there's a electrical wiring diagram for my car this would be greatly appreciated.
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Wednesday, October 14th, 2020 AT 2:47 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Welcome back:

Honestly, there are so many different variations based on specific components. There isn't one that covers the entire vehicle. I would be sending hundreds.
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Wednesday, October 14th, 2020 AT 2:47 PM
Tiny
BOBBYPUE DOPEHI
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Ecm, and ignition switch wiring under dash board?
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Wednesday, October 14th, 2020 AT 2:47 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Let me know if this helps. There are multiple pics. The last 2 are the ignition pins. Note, one is for with and one without WHB. The last one is without (pic 6). Basically "with WHB" requires a CANdi interface module for the Tech 2 to communicate with. Nothing more than an industry protocol change in OBD2 interface which requires the module to work.

I hope this is helpful.

Joe
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Wednesday, October 14th, 2020 AT 2:47 PM
Tiny
BOBBYPUE DOPEHI
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Thank you very much this site and people are very helpful.
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Wednesday, October 14th, 2020 AT 2:47 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Welcome back:

You are very welcome. Let us know if we can help.

Take care,
Joe
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Wednesday, October 14th, 2020 AT 2:47 PM

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