GM 6-Speed Off -Board Programming Harness Set (Gen2)
Item Number: PHGM6-2
Complete harness kit for programming and tuning GM 6-speed TEHCM's off the car. Easily download the programming off of the old TCM and upload it to the replacement TCM.
Save time and money by programming and/or tuning off board! No credits or TDS subscription fees required.
Easy to follow instructions included!
Supported transmissions;
6T40 / 6T45
6T70 / 6T75
6L80 / 6L90
Programmer not included and this product will not work doing OEM programming or reprogramming on the GM website.
This is the 2nd generation harness with a Delphi 5-way connector, which is easier to grip when changing pigtails and far less likely to have the wires pull out.
Easy Programming Instructions