Bully Dog Gauge GT Tuner User manual

INSTALLATION
1
OWNERS MANUAL
Part 1: Physical Installation
Part 2: Operations and Downloading
Part 3: Internet Updates
Appendix: OEM pyrometers, pyrometer calibration, and other topics.

INSTALLATION
REMEMBER TO UPDATE!!!
UsetheUpdateAgentto
update the GT software
before installation on
vehicle. This will ensure
that the GT has the lat-
est programming avail-
able from Bully Dog.
Plug in the GT to the
USB Cable. SD card must be
installed in the GT.
Plug the USB cable
into a PC that has
the Bully Dog Internet
Update software: The
Update Agent.
1.
2.
3.

INSTALLATION
INTRODUCTION
Congratulations on the purchasing of the GT. The GT is one of the most technologically
advanced tuning and monitoring devices available in the market place, second only to our
Performance ManagementTool (GT). The GT includes our Patent pending feature called the
Driving coach which assist users in maximizing driving eciency. Using the driving coach
feature end users can see improvements in fuel economy that will save enough money on
their monthly bill to completely oset the cost of the GT itself.

INSTALLATION
PART 1
Physical Installation
These operating instructions are split into four sections:
SECTION 1:Parts Included
SECTION 2: Parts Description
SECTION 3:Installation Overview
SECTION 4:Installation
SECTION 5:Mounting the GT using theWindshield mount

INSTALLATION
SECTION 1:Parts Included
The list below includes by name the major parts included in your GT package. The tools list
indicates all of the tools necessary to complete the GT install.
1. The GT/Watch Dog Head Unit
3. Main Wire Harness
5. Micro SD Card
3. Windshield Mount
4. The GT/Watch PowerWire
2. OBDII Adapter Plug
TOOLS NEEDED
• Fuse Puller
• Voltage Meter (optional)
EXTRA PARTS (optional)
• Fuse Jack
• Spade connector

INSTALLATION
SECTION 2: Parts Description
This section describes each of the parts in the Parts List, each description provides a physical
set of attributes and a purpose for each part. The parts descriptions also list everything that is
included in each assembly.
THE GAUGETUNER:
The main component is the GT Head Unit. The Head Unit is the interface through which all oper-
ating functions take place including: Downloading, Monitoring, and the Driving Coach feature.
GT Front Side:
The GT has seven capacitive
touch buttons. Capacitive
touch buttons are a button
style that is sensitive to the
presence of your nger. Ca-
pacitive buttons do not need
to be pushed, only touched to
activate. The GT interface fea-
tures a 2.4”LCD screen.
1
2
4
3
GT Parts Back side:
1.T-slot Mount Socket, this will work with a large
range of o the shelve mounting options.
2. Main harness port, electronic port for the main
harness.
3. Micro SD Card Slot
4. Mini USB port

INSTALLATION
OBDII ADAPTER PLUG
The OBDII Adapter is a communication hub for the GT. The OBD
ll Adaptor plugs directly into the vehicle OBD ll port. Notice the
OBD ll Adaptor has many ports to support various other func-
tions of the GT. The diagram below illustrates all of the OBDII
parts and ports.
1
5
6
7
2
3
4
1. OBD ll Male End: this is the part of the adapter plug that plugs into the vehicle OBDll port.
2. Main Harness port: the main harness will plug into the GT and into this port during installation.
3. Power wire port: the power wire will run from this port to the vehicle fuse pox during instal-
lation. Plug into the GT and into this port during installation.
4. Power Supply Switch: use this switch to change power from running o of the Power Wire
to OBD ll power as a power supply for the GT.
5. Four Pin USB: This port is used if a Bully Dog pyrometer kit is purchased for the GT.
6. Five Pin USB
7. Adapter Plug Fuse

INSTALLATION
GT MAINWIRE HARNESS
The main harness connects the GT to the OBD ll Adapter Plug and acts as the main line of com-
munication for the GT.
POWERWIRE
The Power wire connects the OBD ll Adaptor Plug to the vehicle fuse box to
supply power to the GT.

INSTALLATION
MICRO SD CARD
The Micro SD Card holds all of the elec-
tronic les necessary to properly start up
the GT, the SD card must be installed into
the micro SD card slot on the side of the
GT at all times.
UNIVERSALWINDSHIELD MOUNT
This universal windshield mount is used to install the GT rmly onto
the windshield, it is a suction cup mount that will work on any vehicle
windshield. Check our web site for other mounting options, the GT is
adaptable to a range of other mounting styles.

INSTALLATION
GT & Windshield Mount
OBDII Adapter Plug
OBDII Port
Power Cable
Fuse Box
Fire wall grommet
SECTION 3:Installation Overview
The installation overview illustrates a properly installed GT. This overview is meant to help refer-
ence the general location of installed parts and pieces of the GT. Note that some fuse boxes will
be located inside the cab of the vehicle and will not require that the power wire go through the
vehicle re wall.