A fire apparatus includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, a light system, and a vehicle controller. The light system includes a lightbar and a plurality of lights. The lightbar is coupled to the cab. The lightbar includes a plurality of lightbar lights and a lightbar controller. The plurality of lights are positioned about at least one of the cab or the body. The plurality of lights are directly coupled to the lightbar controller via a local interconnect network. The vehicle controller is directly coupled to the lightbar controller via a controller area network.