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LS1 Harness Connection Map

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Old 12-13-2010, 08:29 PM
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Hi Everyone,

I'm turning into the home stretch of my conversion, http://forum.ih8mud.com/80-series-te...-ls1-swap.html

Since I'm new to LS1s, I need to learn what all these sensors are all over the engine are. Is there a link that lists them all out and more importantly, where they are on the engine? Or should I buy a FSM for my engine? I read the FAQ and did not find the answer.

Thank you for your help.
Old 12-13-2010, 09:09 PM
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I know what you're looking for, but don't know where a comprehensive list is. Something like this, but for an LS1:

http://shbox.com/1/component_location_views.html

And did you figure out that 2nd return on the PS pump? Hydroboost for the truck brakes. You can cap it, or tap it and put a bolt in it.

If you don't luck out, you might pay for alldatadiy.com. That's what I'm going to do when I get that far.
Old 12-13-2010, 11:37 PM
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This might help...
http://www.chevythunder.com/ls1_page_1.htm
Old 12-14-2010, 08:02 AM
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http://www.thirdgen.org/techboard/lt...formation.html

http://www.thirdgen.org/techboard/lt...erchanges.html
Old 12-14-2010, 07:55 PM
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A gold mine of information! Thank you!!
Old 12-16-2010, 06:28 PM
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Originally Posted by Earl Filter

And did you figure out that 2nd return on the PS pump? Hydroboost for the truck brakes. You can cap it, or tap it and put a bolt in it.
It was for a PS fluid reservoir.

What is this? It had line connected to it that ran into the fuel line. I though it was the return until I looked a friends engine. He just had his capped off.
Attached Thumbnails LS1 Harness Connection Map-img_0110.jpg  
Old 12-16-2010, 07:03 PM
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EVAP

Delete it unless you're in a smogger county
Old 12-16-2010, 09:33 PM
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Originally Posted by Pocket
EVAP

Delete it unless you're in a smogger county
Thank you.



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