4L60E to 4L80E Transmission Wire Harness Adapter with VSS

GM 4L60E to 4L80E Transmission Conversion Harness lets you convert your existing 4L60e transmission to a 4L80e transmission. This harness is compatible with 99-06 gm truck suv f body camaro with ls1 gto. There are two pieces of the conversion harness, the adapter harness that converts your 4l60e transmission plug and wires to the new 80e configuration. Then the Input Speed Sensor connector, this harness runs from the FRONT ISS sensor on the transmission to the ECM. This will give the ECM the correct signal it needs to operate the transmission. In order to complete the conversion you will also have to have the ECM flashed with the correct calibration changes for the 80e transmission. No instructions included

Blue wire goes to pin 23

Red wire goes to pin 22

 

NOTE:

GM trucks and SUV’s owners, with vehicles 2007 and newer, with the 4l60e transmission doing the 4l80e conversion this conversion harness kit does NOT work on trucks from 2007 and up.