22
ECM TUNER
Introduction Updating
Physical
Installation
Installing the
Tune
Uninstalling
the Tune
Operating the
HDGT
More
Information
Managing Other Electronics
DO disconnect the ABS fuse.
• This can be reconnected after the tune installation is
complete.
DO disconnect the trailer wiring from tractor.
• This can be reconnected after the tune installation is
complete.
DO turn o all factory installed electronics inside the vehicle. This
includes:
• Headlights, header, air conditioning, stereo, DVD
players, etc.
• Failing to turn o ALL electronics can prevent
successful tune installation.
DO disconnect additional electrical appliances. Remove any chargers
or electrical devices connected to:
• Cigarette lighters, USB ports, or other types of electrical
outlets in the vehicle.
DO disconnect any other aftermarket electronic device. This includes:
• Trailer brakes, stereo, alarm, CB, remote start, DPF
delete, Sirius/XM satellite radio, etc.
• Any electrical device that was installed after the vehicle
was released from the factory.
• Disconnect these items from the fuse box or other
power connection. You do not have to completely
physically uninstall them; must make sure they are not
getting power.
Make sure that electrical devices are turned o or
disconnected as described below while you are installing the
ECM Tuner to your vehicle. Once the tune is installed, you
can reconnect them and turn on all of the electronics that
you normally use.
IMPORTANT NOTE: Do not use the ECM Tuner with any other
electronic device designed to increase horsepower (such as
a fooler wire or plug-in box).
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