Bennett Marine AutoTrimPro Installation & User Manual page 8

Installation of System Components
ignition power. The ATP Helm
Control does not use any power
from the ignition system, but
senses when the power to the
ignition has been turned off to
automatically raise the trim tabs.
Note: The orange and purple
wire cannot be connected to the
same source. If the orange wire
is connected to the ignition, the
auto tab retract feature will not
function.
8. Locate a suitable ground. Connect
the black wire from the ATP Helm
Display to the ground source for
the instrumentation.
If a second helm station is utilized in
this system, repeat steps 1-5 only for
the upper station ATP Helm Display.
Installation of the ATP
Control Unit
The ATP Control Unit is the sensor
and processor for the ATP system
which activates the hydraulic
pumps that run the trim tabs. The
unit contains an accelerometer,
gyroscope, and an electronic
8 Bennett Marine AutoTrim Pro | Need help? Call (954) 427-1400
compass that sense the position
and movements of the boat and
therefore should not be mounted
within 24" of any magnetic items
such as electric motors or speakers.
However, the ATP Control Unit can
be conveniently mounted anywhere
in the boat, and in any orientation.
1. Locate a suitable dry, rigid
location for the ATP
Control Unit.
2. Mount the Control Unit
using the two #8 x ½" screws
provided.
3. Connect the orange and black
power wires to a power source
capable of supplying 20 Amps
@ 12V or 10 Amps at 24V.
(Refer to systems diagrams
beginning on page 10).
Connecting the System
1. Connect the communications
cable from the ATP Helm Display
to the communications cable on
the ATP Control Unit.
2. Connect the ATP Control Unit
to the 4-color wire harness
connector that is attached to the
hydraulic power unit. (Use the
provided adapter if needed).
If there are no sensors refer to
page 6 or call Bennett Marine at
954-427-1400.
3. If the boat has actuator sensors,
connect the port sensor cable to
the red sensor wire on the ATP
Control Unit. (Use the provided
adapter if needed). Connect the
starboard sensor cable to the
continued