1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

DIY/Walkthrough for VCM/ECU ground wire update

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Old Sep 3, 2021 | 5:38 PM
  #11  
Munozbm1592's Avatar
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Default ECM Plug

I Appreciate the help with ecm. I need help with the plug that is in the middle of the white and black plug my wires are cut on that and could use help finding where those qires go to
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Old May 27, 2024 | 12:12 AM
  #12  
Nick Smith's Avatar
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Default This is bull****

Pin 23 in the blue connector is already taken up by another wire. The service tag on my ECU says 16229684 so I don’t understand why I can’t just do the damn vcm update without so much headache. Ugh!
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Old Sep 29, 2024 | 2:02 PM
  #13  
Zr24x's Avatar
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Default

What. Is this thread meant for? Please
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Old May 2, 2025 | 12:00 PM
  #14  
TheCriticViking's Avatar
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Cool Focus

I am trying to understand why you couldn't focus in on the actual parts you're talking about. You gotta do better bud.
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