1) First clamp the red wire of the start line to the positive pole of the red battery of the "rescued car" ‘+’. (2) Then clamp the red wire on the other end to the positive pole of the red battery of the "rescue car" ‘+’. (3) Clamp the black wire on the black negative battery of the "rescued car". (4) Then clamp the black wire on the black negative battery of the "rescue car". (5) Start the engine of the "rescue vehicle" first, and then start the engine of the "rescue vehicle". If it is found that the rescued vehicle still cannot start, please check whether the metal contact part is in bad contact. After starting the engine, you must still remove the start line in order, otherwise it may cause a short circuit. The procedure for removing the line is as follows: (1) First remove the black wire from the "rescued car". (2) Remove the black wire from the "rescue vehicle" again. (3) Then remove the red wire from the "rescue vehicle". (4) Finally, remove the red wire from the "rescued car" If you can't start, you can raise the throttle of the electric vehicle and start the motor of the non-electric vehicle at the same time
