How to turn on the battery when the isolation battery disconnect rotary switch of the truck is broken?

You should check the isolation battery disconnect rotary switch made in China from three aspects:
First, you check if the battery is losing power when you are intermittent. This is usually the case when the battery loses power;
Secondly, you check the circuit, which involves the controller's variable speed circuit;
Again, check if there is a problem with the transmission;

1. Park the car on a flat road, turn off the flame and power off. du
2. Use a screwdriver to remove the battery guard plate.
3. When removing the battery connection cable from the battery, be sure to remove the negative electrode first, and then the positive electrode.
4. Remove the fixed battery of the battery.
5. Put the new battery up and install it in reverse order. Note that when connecting the battery cable, connect the positive pole first, and then the negative pole.