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GM LS3 plug and play harness questions

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Old 10-19-2010, 10:42 AM
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Default GM LS3 plug and play harness questions
can this harness be tuned?

or is there a better option to put a LS3 style motor in a 69 Camaro
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Old 10-19-2010, 10:55 AM
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Originally Posted by Big_Bird_WS6
can this harness be tuned?
You do not tune the harness - you tune the PCM.
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Old 10-19-2010, 11:27 AM
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good call.

https://store.gmperformanceparts.com/store/SelectProd.do?prodId=8027&redir=true&manufacturer= GM&category=19201327&name=LS376/480%20Controller%20Kit&model=<!--19201327-->

this is what i am talking about
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Old 10-19-2010, 11:31 AM
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this gm part number

19201861
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Old 10-19-2010, 11:44 AM
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https://ls1tech.com/forums/pcm-diagn...1861-tune.html

Yes.
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