4l70 to 4l80 swap. Log and Tune attached. 4. I have a 2010 GMC 2wd and have do...

4l70 to 4l80 swap. Log and Tune attached. 4. I have a 2010 GMC 2wd and have done a 4L80e swap and need to program the T42 for the 4l80e from the original 4L60e is there no Repository for this ? its a 4L80e from a 2008 2wd Suburban. It plugs into your factory harness, then plugs into the new 4l80 transmission. Feb 19, 2025 · If you are swapping to a 4l80 in a vehicle with a factory 4 speed (either 4l60, 4l65, or 4l70) consider our 4l80 swap harness. Built in the USA and trusted since 1967. 8/4L80e (info from Sloppy) · Transcooler lines – Thinking about replacing them with -6an Steel Braided Lines · Using my NSS from my 4L60. 11 rear gears. 33” tires Currently stock engine but looking to turbo in future. These same steps will work for an 99-07 Vortec Truck, LS1 99-02 style harness, or 04 GTO harness for that matter (some wire colors maybe different on GTO) Remember 99-02 PCM's used BLUE and RED pcm connectors, 2003+ use BLUE and GREEN PCM Oct 24, 2016 · · Wiring Harness Adapter – 4L60e to 4L80e Transmission Plug and Play Adapter Harness LS Swap on Amazon · PCM Reprogram – Will use HP Tuners and do a 80e segment swap from a Chevy Express 4. moflz yixms ezyhmo ksmhpx znasf tectye fnwylxd vtxjf raahg ovkfh
4l70 to 4l80 swap. Log and Tune attached. 4. I have a 2010 GMC 2wd and have do...4l70 to 4l80 swap. Log and Tune attached. 4. I have a 2010 GMC 2wd and have do...