8
2018+ Cummins GT Bypass Cable
GT PHYSICAL INSTALLATION
WARNING:
Be sure to use the Bypass Cable included with the kit and NOT
the Bully Dog OBDII Harness that came with your GT. Using the
incorrect Cable could cause damage to your vehicles’ ECM.
1. Connect the Bypass Cable
a. Working from the footwell of the driver seat, locate the green terminal
block as pictured. This is typically under the dash towards the firewall
and can be accessed without removing any dash panels.
(see the video at :
https://youtu.be/x9rh_x5jbWQ
)
2. Plug the white rectangular connector at the end of the Bypass Cable into
an open slot in the green terminal block
a. Plug the mini-USB end of the bypass cable into the Bypass OBDII Block
(with red tag).
3. Install the OBDII Block
