🛑 Purpose And Operation Of Advanced Accessories :- 1) Automatic Headlight Dimming :- The automatic headlight dimmer is a driver operated device which automatically switches headlights from high to low (and low to high) beam in response to light from an approaching vehicle or light from the tail light of a vehicle being overtaken. Major components of the system are as follows: 1. Sensor Amplifier: On some vehicles, the unit is located between headlights on driver side while that of on some vehicles, it is located in engine compartment attached to left side of radiator. The unit is adjusted for sensitivity and then sealed by an epoxy material to prohibit excess adjustment. 2. Power Relay: It provides heavy duty contacts for switching headlight beams. A relay contains a diode for damping purpose to protect sensor amplifier. It is necessary to observe proper polarity while connecting a relay to prevent damage to the diode. 3. Sensitivity Control: • Driver sensitivity control is the ri...
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