Traditional Culture Encyclopedia - The 24 Solar Terms - What is the cable on the right panel of Yuexiang v3 accelerator used for?

What is the cable on the right panel of Yuexiang v3 accelerator used for?

I can't change it. They have different engine structures. The electronic throttle directly controls the fuel injection quantity of the oil circuit by instructing the computer board. The throttle is controlled by steel wire, that is, the amount of air entering the engine is controlled, and then the computer board automatically calculates the fuel injection amount according to the intake size.