These switches are intended for use with existing EFI Live tuning on the 2006-2018 Cummins. They simply plug into your factory OBDII port for a clean and simple installation.
Important Note: Your tuning must be setup for switchable (shift on the fly) for this switch to work.
Features & Benefits:
- Clean & Simple Installation
- CSP4/CSP5 Compatible
- Universal For The 2006-2018 Cummins