A vehicular mirror system includes an exterior mirror assembly having a reflective element for providing a rearward view to an occupant of a vehicle and a power distributor for distributing power from a single electrical power connector to a plurality of functional elements associated with the reflective element. The power distributor has a plurality of electrical leads corresponding to each functional element of the plurality of functional elements; the plurality of functional elements includes at least two functional elements selected from the group consisting of a dimming device, a heater and a turn signal. The power distributor has at least one power lead for operative connection of the power distributor to an onboard power supply of the vehicle.