This article introduces the functions,parameters and working principles of each electric component in the electrical system on Jiefang CA1170P2K1L2 diesel truck and affords the circuit system diagram.

• 介绍解放牌CA1170P2K1L2型柴油载货汽车电气系统中各电器件的功能、参数、工作原理。给出了系统电路原理图。