An electrical connector assembly, comprising an electrical conductor a housing enclosing a portion of the conductor, the housing having a terminal end; a connector connected to the conductor and the housing, the connector extending along a longitudinal axis from the terminal end of the housing, the connector having a terminal surface spaced from the housing, a light emitter within the housing, and a light guide within the housing to direct light from the light emitter to exit the housing from the terminal end to substantially illuminate the connector along the longitudinal axis.