A rearview mirror assembly comprising a rear housing section with wiring connected to a first electrical connection device and a circuit board with a second electrical connection device, with first electrical connection device and the second electrical connection device being configured to automatically mate when the circuit board and the rear housing section are moved relatively towards each other. The rearview mirror assembly can also include a circuit board with a third electrical connection device and a reflective element with a fourth electrical connection device, with third electrical connection device and the fourth electrical connection device being configured to automatically mate when the circuit board and the reflective element are moved relatively towards each other.