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2003 LS1 Wiring help

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Old 08-20-2018, 03:10 PM
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Default 2003 LS1 Wiring help

I have done many LS3 swaps with E38 ECU into cars so I have a lot of experience doing this kind of thing. I am now installing a LS1 from a 2003 corvette and can't find the wiring info I need. I have the full engine harness in tact with engine. I am trying to find the wiring/fuse block pin outs so I can attach the appropriate fuses, grounds, relays, and so on to the harness so I don't have the pull the harness apart. Does anybody have this information or could point me in the right direction? Thank you
Old 08-20-2018, 03:34 PM
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Here's a pinout for 2003 corvette that I found. Says it's red/blue connectors.

http://corvetteforum.shelor.net/Corv...tor_Pinout.htm

Sorry just realized you aren't looking for the pcm pinout.




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