RpmExtreme 8L90E TAP Shift Module

8L90E TAP Shift Module

Product Description

8L90E TAP Shift Module

Most newer transmissions are computer controled and do not have any type of external mode switch. All the data is transmitted on the CANbus to the other computers. While this may be a great solution for the OEM manufactures it creates a issue when your looking to swap it into an older vehicle.

This module is designed to add TAP shift capabilities to your standalone 8L90e GEN5 system.  Its a simple wire in soultion and will support multiple different input switches (As developed). 


  • Ignition +12 Switched
  • Ground
  • CAN +
  • CAN -
  • TAP Switch A
  • TAP Switch B
  • Option A

This unit will come with instructions and diagram. No programing required