The Oracle Lighting halo kit for GMC Terrain (2012–2013) supplies bright white LED rings to update the front-end styling while keeping power draw low. SMD chips are installed on a CAD-designed six-layer PCB for rigidity, and the rings attach with pre-applied 3M adhesive. This 12V kit can be wired to a switch, controller, or directly to parking/running lights; ColorSHIFT controllers are sold separately for color options.
Oracle GMC Terrain 12-13 LED Halo Kit - White