Saturday, November 9, 2013
How Do Automatic Wiper Activated Headlamps Work
Automatic wiper-activated headlamps in vehicles are helpful when driving in rainy conditions. This feature allows the vehicles headlamps to automatically turn on in the daytime when the wipers are activated.
Function
Automatic wiper-activated headlamps are connected to the vehicles wiper system, turning on when the vehicle is in gear and the windshield wipers are activated. The headlamps can be turned on and off manually like regular headlamps; however, if the headlamps are off, activating the wipers will immediately turn them on.
Features
The mechanism that triggers the headlamps works with a relay circuit that connects the vehicles headlight circuit and wiper circuit, both of which work to turn on the low-beam headlamps when the windshield wipers are activated. The relay circuit includes a delay circuit that allows for the continuous operation of the headlamps and an interlocking safety mechanism to prevent the low and high beams from operating simultaneously.
Manual
Normal or manual headlight operation will automatically be triggered when the vehicle is placed in the Park or Neutral positions, or if the windshield wiper blades are turned off.
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