80
AppeNDIX
seCtiOn 4:
GT Troubleshooting
CONDITION
pOssIblE sOURCEs
ACTION
GT will not turn on
Installation/ Connec-
tions
Make sure that the fuse jack is securely fastened
to the fuse socket.
Check that the fuse is working properly.
Make sure that all of the harnesses are properly
installed. If still not working, one of the harnesses
could be defective.
Will only display pyrometer Improper Truck Selection
Check and ensure the proper truck is selected.
Make sure you have proper connections every-
where. Also, make sure that there are no bent
pins in any of the connectors.
Will not adjust horsepower Improper Truck Selection Check and ensure the proper truck is selected.
Back light quit working
Loose Connections
Contact Technical Support if the GT is otherwise
functioning normal.
For more information on up-to-date troubleshooting guide for the GT, go to
www.bullydog.com/Product_Updates.php
GT ERROR CODEs:
For error code information regarding any error codes that appear while operating the GT
visit the web address below:
www.bullydog.com/GT_Tech.php
