38
TUNING THE VEHICLE
TUNING CAT
®
ENGINES: PHASE 1
1. Physically install the HDGT .
• Prepare to install the tune.
• Disconnect the trailer wire.
• Remove ABS/brake fuses.
2. Turn the key to the RUN (or ON) position.
• Do NOT start the engine.
3. Read the disclaimer on the welcome screen.
• If you have already updated,
press Continue.
• If not, disconnect & update.
4. If it is the first time the HDGT
has been connected to a vehicle,
it may require you to select an
engine type before proceeding.
• If you are not prompted to select a
vehicle, skip to step 10.
• Use the buttons on the right to
highlight the correct vehicle type.
• Press the bottom left button to
SELECT the highlighted vehicle type.
NOTE: In order to provide a basic understanding of the install process,
this simplified preview has been provided. It is very important that
you have completed the physical installation, you have completed the
preparation steps and you are familiar with the detailed instructions
before you attempt to install the HDGT.
Continue
Insert the included SD card and
visit www.bullydogbigrig.com
If you have not yet updated
your device using the
Heavy Duty Update Agent,
please do so before continuing.
WELCOME TO THE GAUGE TUNER
Go Back
UP
DOWN
VEHICLES
CAT
SELECT
CUMMINS CELECT PLUS ‘97-’01
NOTE: Cat owners MUST register the HDGT before proceeding.