Thread: LS/6L80E Swap
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Old 11-28-2023, 08:21 PM   #5
Richard
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Join Date: Dec 1999
Location: Southern California
Posts: 2,723
Re: LS/6L80E Swap

Quote:
Originally Posted by GSOUTHERN View Post
My mechanic is not able to get the trans to communicate with the computer, has anyone heard of this issue? They have been through the wiring (Holley said they may have a bad connection) all is good still no luck???
Not a clue about the Holley. I understand that when using the oem ECM and TCM the vin number stored in the units much match or communication will not happen. Why I obtained everything from the same car for my swap. The aftermarket has the communication hurdle to overcome on all the newer 6+ speed transmissions.
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Richard
1972 K10 Custom Deluxe SWB Fleetside
My build https://67-72chevytrucks.com/vboard/...d.php?t=800746
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