just curious, how do flip up headlights w

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kmn5

Copper - Posts: 66

Joined: April 21, 2003

Location: United States

Posted: April 15, 2004 at 1:33 AM / IP Logged

Just wondering about the power flip up headlights in some cars. How does the motor know when to stop when it's fully opened or closed? is there a mechanism/relay thing in headlight assmebly attached to the motor, or inside the car?

and how many relays?

I'm guessin there has to be at least 3 (maybe 4) wires going to the motor,

so that when u apply power (the 1st positive wire is connecetd) the motor opens and when u turn off power (the 2nd positive power wires is connected) the motor closes?

I'm thinking about using this in a custom project to open a panel in the dash/console (I have a 1.5 din open space), but need to understand the wiring, switching behind it

thanks

Ken

flynntech

Copper - Posts: 275

Joined: April 15, 2004

Location: United States

Posted: April 15, 2004 at 5:10 AM / IP Logged

find one on an old car and take it apart!

really, there is no better way to learn.

Also, some cars have different systems. I used to have an '84 Trans Am, it had three wires for the motors, just a couple years later, the same cars had 5 wires.

I would imagine that it has a common, and an up-down and internal interlocks.

robbie2883

Copper - Posts: 104

Joined: August 20, 2003

Location: United States

Posted: April 15, 2004 at 10:23 AM / IP Logged

i'm sure they work just like power window motors. and they probably have a limit swithc which tells the motor when the headlight has reached a certain spot and cuts the power to the motor

if its jammed force it - if it breaks in the process it needed to be fixed anyway

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just curious, how do flip up headlights w

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