Does anyone know where I can find or if I can put a 3rd brake light on my...

[d_t_chavez31]

...1992 Chevy Silverado 1500? I am looking for a 3rd brake light to replace my cargo light. Also what type of led lights would you reccomend i put in the bed of my truck to use as cargo lights? Thank You in advance. I really apprciate it!