Integrated wire harness

The invention provides an integrated wire harness, wherein one end of the integrated harness is connected with a first connector and the other end is connected with a second connector through a signal wiring circuit board; and the first connector and the second connector are each provide with a contactor used for being connected with an external device terminal. The integrated wire harness provided in the invention realizes signal transmission through arrangement of the first connector and the second connector at the two ends and connection of the second connector with the signal wiring circuit board. A contactor connection method great in integrity is adopted so that connection is firmer and reliability of a circuit is improved.