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Old 27-07-2012, 10:03 PM
The Alchemist The Alchemist is offline
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Default Am I the first to put it on an LS1 (F-body or Corvette)

I have a question about the injector signal wires. I'm running an LS1 that is in a 2000 Firebird Trans AM (LS1 motor) and I found the signal wire for the injectors, but no the ground. I'm guessing it's a common ground for each injector. I was planning on tapping the signal right at the pcm, but I can't find an injector specific ground.

Here's a list of the pinouts on our pcm's:
http://www.lt1swap.com/2001_PCM_CONN_PINOUT.htm

As you can see, I plan to use the pinout for the #1 injector, which is positon #36, but there is no #1 ground.

Has anyone installed this on an LS1 before?
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Old 27-07-2012, 11:00 PM
Richard L Richard L is offline
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Default Re: Am I the first to put it on an LS1 (F-body or Corvette)

Most PCM switches the injector to ground to open it. Injectors are all connected to common 12V.
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Old 28-07-2012, 12:55 AM
Howerton Engineering Howerton Engineering is offline
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Default Re: Am I the first to put it on an LS1 (F-body or Corvette)

Green wire of the grey harness would go to pin 36, you could connect the red wire of the grey harness (12V system ON signal ) to pin 57 if it is switched (pre-crank) power.

There might me a better one for the red wire, but that would probably work.
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Old 27-11-2016, 08:13 PM
zoom07 zoom07 is offline
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Default Re: Am I the first to put it on an LS1 (F-body or Corvette)

so it appears this is along the same lines for me for a L76 (ls3ish) style pontiac g8 gt
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