RAM 2500 Truck 4WD V8-5.2L VIN Y (2000)
mirror relay when the heated mirror switch is in the ON position. As electrical current passes through the heating grid, the resistance of the wire in
the heating grid converts some of that electrical current into heat. The heat produced by the heating grid is then conducted through the back of the
mirror glass to help keep the glass clear of ice, snow or fog.
