A connector assembly includes a connector housing defining a cavity, a cylindrical terminal disposed within the cavity, a primary terminal locking feature configured to retain the cylindrical terminal within the cavity, and a secondary terminal locking feature configured to retain the cylindrical terminal within the cavity. The secondary terminal locking feature has a pair of arms defining concave features that engage the cylindrical terminal as the concave features of the pair of arms are wedged between the cylindrical terminal and inner walls of the cavity.