Works on 05+ GM vehicles with the square 2 pin PCM regulator! This regulator can be purchased on the site as well for making any non GM hairpin compatible.
Make sure your vehicle is PCM controlled before ordering, as there are no refunds for this product.
Adjustable voltage up to 15.4v +/- .2v
*the screen on the controller does not display voltage, it displays the settings needed to control the voltage*
Comes with detailed installation instructions.
This product will last longer if mounted to a surface or inside a glove box or center console. Do not leave in direct sunlight as it may damage the screen.