User guide
Ultrasonic Fuel Sensor User Guide
ACCEUF100UG001 - 23 -
Table 3: Connection with GV300
Fuel Sensor PIN Name Color Connect to GV300 Color
Power Interface Positive Red PIN 11 PWR Red
Negative Black PIN 6 GND Black
Tracker
Interface
TX Yellow PIN 4 RXD Green or Pink
RX Blue PIN 5 TXD Black and White
Ground Black PIN 6 GND Black
For the sake of convenience of maintenance, users can cut the clip from the connector of the 4-PIN
serial port harness as it is difficult to plug out. Please fasten together the cables with cable ties if the
clip is cut off. The above one in Figure 20 is a serial port harness with clip cut.
Figure 20. Cut the Clip of 4-PIN Serial Port Harness
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