Abstract: A new and improved truck container light bar adapted for use in association with a truck having an electrical system and a truck container having a rear section including tie down holes, the apparatus comprising, in combination: a first cross bar and a second cross bar each including an open inboard end and an outboard end formed in an inverted L-shaped configuration, each crossbar including at least one hole extending therethrough, at least one brake light and at least one signal light being coupled to each cross bar, each signal light and brake light including a lead wire extending therefrom and positioned through each crossbar, a central adjustment bar including a plurality of apertures and a plurality of small running lights, the running lights having lead wires extending through the central adjustment bar, the central adjustment bar being coupled within the open inboard ends of the crossbars with a cooperatively coupled bolt, an electrical extension cord being operatively coupled to each light and includ