Product Description
GM style Transmission Harness for use with MSD Atomic Controller
Fits all years of 4L60E, 4L65E, 4L75E, 4L80E, 4L85E
This harness is needed when running the MSD Atomic transmission control module to control late model GM 4-speed automatic transmissions. Includes vehicle speed sensor adapters for both early (89-93) and later 93+ style speed sensors. Includes high quality braided wire protection sleeving with heat-shrink ends.
Also fits 4L70E, but only 2006-2008 models.
Replaces MSD #2770.