The center light is on your normal light switch bar thing it is actual 2 in one. On the one side you turn on your normal lights by turning it forward and back. If you move your fingers over just a little bit that part turns also for the center light and works dimness of your insturmen gauges.
The odometer or mileage gauge and center light will come on whenever you open the door automaticaly and go off in a couple of minutes after you shut it.
There is someone in my head but it's not me
01 TJ SPORT,d44 w/true-trac in rear, 4 in. lift, 33's