MM3 & Raceme Tuners

Download Instructions

MM3 & RaceMe Ultra Manuals HERE (Both tuners Use the same manuals for hardware installation)

Make sure you have a charger on the truck with good batteries (clean all terminals etc.) or go buy a new battery if not. Make sure there are no aftermarket accessories on the truck or have their fuses pulled.

BELOW IS FOR MM3 ONLY

MM3 TUNES ARE PRE LOADED

On your screen navigate to ECM TUNING > ECM > PROGRAM CUSTOM FILE. Then select your desired file and follow the prompts on the screen. *NOTE*: WT = With Transmission Tuning NT = Without Trans Tuning.

GDP CONTACT
877-223-5018
403-795-7063 EXT 1

MONDAY-FRIDAY
support@gdptuning.com
Contact with Pre Order Number found on Card inside MM3 Box and Truck Vin Number.

Need Help with Installation?

Contact our support team for assistance with installation or any questions you may have.