Draw car owner's car rear combination lamp control structure

The utility model provides a draw car owner's car rear combination lamp control structure, includes fusing element (1), switch (2), main car light (3), trailer lamp (4), trailer lamp socket (5) and normally closed relay (6), the tip side of normally closed relay (6) is connected with switch (2) and main car light (3) positive pole respectively, and the coil end of normally closed relay (6) is connected with trailer lamp socket (5) and trailer lamp (4) positive pole respectively. When trailer lamp (4) was lighted, main car light (3) that the part need not lighted were not lighted to reduce the vehicle because the waste of the energy that brings is lighted to the lamp, reduced the electrical load of whole car, improved the life cycle of drawing car owner's car rear combination lamp. 种牵引车主车后组合灯控制结构，包括熔断丝（1）、开关（2）、主车灯（3）、挂车灯（4）、挂车灯插座（5）和常闭继电器（6），所述常闭继电器（6）的触点端分别与开关（2）及主车灯（3）正极相连接，常闭继电器（6）的线圈端分别与挂车灯插座（5）及挂车灯（4）正极相连接。当挂车灯（4）被点亮时，部分不需要点亮的主车灯（3）未被点亮，从而减少了车辆因为灯点亮所带来的能源的浪费，减少了整车的用电负荷，提高牵引车主车后组合灯的使用周期。