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Summary of Contents for Bully Dog 42215
- Page 1 2018+ CUMMINS GT BYPASS CABLE INSTALLATION MANUAL Part # 42215 Document #42215-99 v1.0 WORKS WITH: GT Diesel Part# 40420 (940) 783-9915 | www.bullydog.com...
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Page 2: Table Of Contents
CONTENTS Setup Preview ................. 2 Support & pre-tune checklist ..........2 Parts List.................. 3 Part 1 ..................4-6 Pre-Install Checklist ..................4 Part 2 ..................Updating the GT ..................4 Part 3 Physical Installation ..................5 Part 4 GT Install Process ..................6 2018+ Cummins GT Bypass Cable... -
Page 3: Setup Preview
SETUP PREVIEW This will guide you through installing the bypass cable kit on your 2018+ Cummins. This kit will be installed before tuning the vehicle and should stay installed as long as the Bullydog GT is in use. The black Bypass OBDII block that comes with this kit (with red tag/tape on it) will be used in place of the black OBDII block that comes with the Bullydog GT. - Page 4 BYPASS KIT PARTS CHECKLIST The following is a list of the items that should be included in the Cummins Bypass Kit packaging. If you are missing any of the items please contact technical support at bullydog.com/support. OBDII Cable Block USB Bypass Cable 2018+ Cummins GT Bypass Cable...
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Page 5: Parts List
GT DIESEL PARTS LIST In addition to the Bypass Kit you will need confirm that you have the GT parts shown below before proceeding. GT Diesel Mini USB Cable Micro SD Card Micro SD Card Reader (940) 783-9915 | www.bullydog.com... -
Page 6: Updating The Gt
2. Locate and click the "Software" option and then click on "Light Duty Update Agent, Device Updater, and Livelink Downloads". You will see "Bully Dog Update Agent (Updater for GT devices)". Click to begin downloading and installing on your computer. - Page 7 Installing the memory card in the GT Diesel. 1. Remove the card reader from the computer. 2. Remove the memory card from the card reader and insert the memory card into the GT. Connecting the GT Diesel to computer 1. Connect the GT Diesel to the computer with the included USB cable.
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Page 8: Physical Installation
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. Connect the Bypass Cable Working from the footwell of the driver seat, locate the green terminal block as pictured. - Page 9 Find your vehicles’ diagnostic port (OBDII) under the dash Connect the Bypass OBDII Block (with red tag) to the OBDII port. Install the HDMI cable OBDll Port Location Connect one end of the HDMI cable to the Bypass OBDII Block (red tag). All OBDll ports are located under the dash on the drivers side of the vehicle.
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Page 10: Gt Install Process
GT INSTALL PROCESS From the GT Main Menu choose “Change Vehicle” and then select your vehicle from the list that follows. Choose “Install Download” in the main menu. Follow the instructions on your GT screen You will need to turn your key to different positions and then choose “continue”. - Page 11 (940) 783-9915 | www.bullydog.com...
- Page 12 (940) 783-9915 | www.bullydog.com 2018+ Cummins GT Bypass Cable...
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