An ergonomically friendly terminal position assurance device for use with an electrical connector. The device includes a terminal position assurance device for use with an electrical connector. The device includes a terminal engaging section and an engagement section. The terminal engaging section has a first end and an oppositely facing second end. The engagement section extends from the first end and has a bearing surface, the bearing surface has a surface area which is wider than the width of the terminal engaging section. The engagement section extends at least part of the length of the terminal engagement section. The bearing surface of the engagement section is configured to allow an assembler to push the terminal position assurance device during assembly of the electrical connector in an ergonomically friendly manner.