Wiring harness to convert from a 4L70E transmission to a 4L80E transmission (Some 2006 On, 4L70E type with input speed sensor only).

Description

#10XL. Wiring harness to convert from a 4L70E transmission to a 4L80E transmission (Some 2006 On, 4L70E type with input speed sensor only).

This harness takes a black case connector, case side not wire side.

The computer must be re-programmed.

On 1997 back you will need a Compushift computer.