Meaning in car/wiring context Whenever I try to use any available translator I've got strange results like 
"special for free light".

16款自由光专用
What can this sentence mean in car or electric wiring context?
'For use in a '16 Cherokee'

款 referring to the model type/year (2016)

自由光 being the model (Jeep Cherokee)

专用 Exclusive use / Dedicated