Why dont it Light Up with Everything Connected?
Most likely your switch is not connected to metal. If its on a metal frame make sure youre in contact with metal not paint
How the Wiring is Distributed?
The black wire is negative (-), connect the black wire to the bottom of the automatic switch, the red wire is positive (+), connect to the positive pole of the car battery
How to install the Automatic Switch?
Some cars have holes, but some cars may need to drill a hole for your application
Can this Under Hood Light be Installed on any Vehicle?
Yes, Universal Fits Any Vehicle 12V, for Car Suv Rv Truck pickup Off-road and so on..
Can I choose the way to switch?
Yes, we are equipped with two kinds of switches, Automatic On/Off and Hand Switch