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http://www.ultralightnews.ca/ Page 9 of 36
The Ultralight News - your one stop Ultralight News.
Figure 1.5.2: Fuel filter units
Wire harness (Figure 1.5-3 Position 2)
Function: Electrical connection between the sensors/actuators and the computer power supply.
The wire harness consists of the following components:
Sensor/sensor connectors:
a)Air temperature sensor
b)Crankcase temperature sensor
c)Plug connector to throttle position sensor.
d)RPM connector
Actuator connectors:
a)Injector valve power supply
b)Fuel pump power supply
Other connectors:
a)Computer power supply connector
b)Power supply 12 Volt
Control Unit (Red box) (Figure 1.5-3 Position 1)
Function: Processing of data from sensors. Power supply to the injector valves, the fuel pump, and
houses the barometric sensor.
The control unit consists of the following main components:
a)Plug connector
b)Barometric pressure connector
Features: On the side of the control unit is a sticker with the number of the software.
Example (2706-09) Engine type-2706, version-09.
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