Auxiliary engaged type starter

An auxiliary engaged type starter comprises a motor, an electromagnetic switch connected with the motor and a relay connected with the electromagnetic switch. The electromagnetic switch comprises a holding coil and a sucking coil, and the relay comprises a supporting cover, static contacts adjacent to the supporting cover, a dynamic contact piece corresponding to the static contacts, a core shaftprovided with the dynamic contact piece, a plunger for allowing the core shaft to axially slide, coil assemblies arranged on the peripheries of the core shaft and the plunger, a restoring spring exerting restoring force on the plunger, and a shell. The head ends of the sucking coil and the holding coil are independent respectively to conduct outward leading-out. The first static contact is connected with a terminal of a storage battery of the starter, the second static contact is connected with a terminal of the sucking coil, and the third static contact is connected with a terminal of the holding coil. The dynamic co