Description
This harness will work with 93 and up 4l80E 4L85E Transmissions. 1991- 1992 will require the internal harness to be updated.
*** Serial Cables for Programming the TCM are Optional. Add it if you don’t have one.
GM 4L80/85E (1993+) TCM-2800 Harness
$209.00
GM 4L80E 4L85E Transmission TCM2800 Standalone Harness -TCM-4800 Harness
