96 C1500 4l80e wiring

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Lennyobs

Newbie
Joined
Nov 16, 2019
Messages
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Location
Florida
Hello my fellow gmt400 brothers I finally got the truck running and started, after a long 6 months.i swapped an l29 454 out on an RV with a 4l80e behind it, I’m using the stock 96 harness which I only modified on the engine side and also using the computer that belonged to engine and trans in the rv, which was a ‘98’
I’m having some confusion looking around and searching online, I put truck in gear and it’s unresponsive I did not change any pins on stock harness or add any sensors all I find is related to newer 0411 equipped trucks any help would be appreciated. I’ll post a pic so you guys can she how’s she sits. I’m trying to find out what needs to be done to harness and sensors to get it rolling

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