Wire harness connector and engine

The utility model provides a wire harness joint and an engine, the wire harness joint comprises a first joint and a second joint, the first joint comprises a first annular part and a connecting part electrically connected with the first annular part, and the connecting part is used for being electrically connected with external equipment; the second joint comprises a second annular part; the second annular part is used for electrically connecting the wire harness; wherein the first annular part is detachably and rotatably connected with the second annular part, and the first annular part is electrically connected with the second annular part. After the first connector is inserted into external equipment, the second connector of the connecting wire harness can be inserted into the first connector at any angle and can freely rotate after being inserted, so that the wire harness connector can be conveniently assembled in a space with compact equipment and dense wire harnesses, the wire harnesses cannot be broken