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==Installation==
 
==Installation==
 
Before installation, make sure UL202 Ultrasonic Fuel Level Sensor is not powered ON. The RED and BLACK wires of User Interface line have to be connected to the Power Supply of the vehicle with RED wire connecting the positive role and BLACK wire connecting the ground. UL202 has RS232 serial port output:<br><br>
 
Before installation, make sure UL202 Ultrasonic Fuel Level Sensor is not powered ON. The RED and BLACK wires of User Interface line have to be connected to the Power Supply of the vehicle with RED wire connecting the positive role and BLACK wire connecting the ground. UL202 has RS232 serial port output:<br><br>
[[image:FMB640_RS232.png]]
+
[[image:FMB640_RS232.png|center]]
    
==FMB640 configuration==
 
==FMB640 configuration==