How to connect the forklift heating is as follows: Use two heating water pipes to connect the heater to the engine water inlet and outlet pipes. It requires two heating pipes, a three-speed power switch, and a power cord. As for where to install it, it's easy to say, it just depends on which position is suitable... When installing the heater of Lugong 938 forklift, you need to find the small circulating water pipe in the vehicle. Choose a location to cut through the small circulating water pipe. Break it into two parts and connect them to the two ports of the heater respectively to connect the diesel engine.