An electrical connector includes a connector mount. The connector mount has a cavity that is configured to receive a terminal. The electrical connector includes a terminal position assurance. The terminal position assurance is supported on the connector mount for movement between a pre-lock position and a locked position. The electrical connector includes a rocker attached to the connector mount. At least a portion of the rocker is configured move relative to the connector mount from a non-biased to a biased position. The rocker is configured to prevent the terminal position assurance from moving from the pre-lock position to the locked position when the rocker is in the non-biased position.