Rubber shell connector p/n MS27145-1. Double contacts with locating hole. Connector fits 14 AWG wire. Made in USA. Ozone resistant rubber.
Some of the applications this connector mates to: the old style M35 brake light hydraulic switch (not the new style air pressure switch), M35A2 starter switch, M35 in-tank fuel pump, M35A3 back up light switch, front axle lock in switch.