Rubber connecting piece for automobile wire harness

The utility model relates to a rubber connecting piece for an automobile wire harness, which is characterized in that the rubber connecting piece is used for connecting a tail door and an automobile body of a minibus; the connecting piece comprises a tail door connecting end (1), an automobile body connecting end (2) and a connecting piece body (3), the connecting piece body (3) is of a telescopic corrugated pipe structure, the connecting piece body (3) is connected with the tail door connecting end (1) and the automobile body connecting end (2), the tail door connecting end (1) is in interference fit with a wiring harness mounting hole formed in an automobile tail door, and the automobile body connecting end (2) is connected with the connecting piece body (3). The vehicle body connecting end (2) is in interference fit with a wiring harness mounting hole formed in a vehicle body; each of the tail door connecting end (1) and the vehicle body connecting end (2) comprises a bottom support part and a connecting p