2
• Apply parking brake to de-activate daytime running lights.
• Always have all the doors closed while installing the
DiabloSport Performance tune, and keep them closed
until the process is complete.
• Do not activate any electrical accessories while installing the
DiabloSport Performance tune. Ensure that there are
no electronic devices wired or plugged into the vehicle
that can cause a substantial voltage drop when activated
during installation of the DiabloSport Performance tune.
Please contact DiabloSport dealer if uncertain about
devices that are on your vehicle.
• Certain cellular phones or radio equipment may also cause
interference. Please remove or turn such devices off.
• Do not try to install tune in a vehicle with low battery voltage.
Charge your battery if necessary.
• Unless instructed, never turn the ignition key OFF while
the Predator is plugged in diagnostic port.
• Do not unplug the Predator while it is installing the DiabloSport
performance tune.
OBD-II Diagnostic port locations
99-05 Chevy, GMC, Cadillac (SUV/Truck)
OBD II location
Driver side underneath dash,
left hand side above
parking brake.
Preparing Vehicle for DiabloSport Performance Tune Installation
Preparing Vehcile For
DiabloSport Performance
