About the oil shut off function:
As for connecting the fishing line, you need to find a professional person to install, otherwise the oil cutting function may not work.
1. The standard power supply of this device is 10V-50VDC, the red line is the positive pole of the power supply, and the black is the negative pole of the power supply; when installing the negative power pole, please select ground or ground separately and do not share with other wires;
2. The oil shut off control line (green / blue line) is connected to the oil pump line.
Off State: 12 V is required for the power line
When the oil cutting function is not available, check:
1. Does your device use GPS positioning, if after waiting for the fuel cut command to wait, the device will respond to the command;
2. If your gps device has no signal, after sending the oil cut command, it takes at least 1 minute for the device to execute the command. Please wait a few minutes.