Installation of crimp contacts axing DIN power female connector Rosily’ (Alm A Fitting the crimp contacts After crimping the wires onto the contacts with the help of a crimping tool or an automatic crimping machine the contacts General information should be correctly oriented and inserted into the cavities of the connector molding in the required configuration. They snap into position and are firmly held in place. A light pull on the wire assures the correct tensile strength of the contact.