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Old 05-23-2022, 09:51 PM   #13
ls1nova71
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Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
Re: Stock harness rewire questions

I just looked it up and that plug in the pic in post 4 is a fuel composition sensor plug. You shouldn't need it. Also, you don't need to really do anything to the range sensor plugs. Most of them just go from the plug straight to the PCM connector. If there's a pink ignition wire going to it, you won't need it either unless you are using it for a back up light switch or as a neutral safety switch.
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html

5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
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