How To - Build a 4L80E Transmission Controller with an IO12 & Harness
Using an IO12 to control a 4L80E transmission is simple, proven, and the harness is straightforward enough to build using an IO12 flying lead harness. You’ll need the following: - IO12 Flying Lead Harness (HT-049902) - 4L80E Connector Pigtail (From ...