LED door handle lights

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simulant

Member - Posts: 1

Joined: August 25, 2006

Location: Estonia

Posted: August 28, 2006 at 7:25 AM / IP Logged

Hi!

I've had this idea of installing sort of courtesy lights in the outer door handles. I want them to come on by unlocking the car and go off by opening the door/locking the car. I figure that impulse for "on" would come from alarm's "open" impulse to central lock, and "off" from "close" impulse and/or from the door pin. Connecting the relays in the middle is what has got me confused. All trigger impulses will be negative/ground. Can anyone help me figure this out? Thanks for any replies!

caraudio904

Copper - Posts: 115

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Joined: August 30, 2006

Location: United States

Posted: September 09, 2006 at 3:57 AM / IP Logged

I see your from another country so lets see if we can common ground our terms. Because I don't really understand but from what I can understand your not far from the right track. Use a relay and you cound connect it to almost anything depending on the effect you want. You could use parking lights, door locks. anything, Really what kind of alarm do you have?

Southern Stylez

Jacksonville, FL 32218

Cameronjc

Member - Posts: 29

Joined: February 06, 2004

Posted: September 12, 2006 at 9:33 PM / IP Logged

If your alarm has a dome light feature, you could use that as well.

If it is already hookup up, changes are you can connect the door LED's right to the relay.

ill-logix

Member - Posts: 39

Joined: April 07, 2006

Location: United States

Posted: September 22, 2006 at 11:10 AM / IP Logged

Take the open impulse from the alarm system and wire that to the coil of a latching relay. I believe a diagram is provided on this site. Use the normally open contacts of the latched relay to drive power to your leds. Now wire a second relay coil to the door open signal. Now wire one side of the normally closed relay to +12v and the other to the supply side of latching relay coil.

- denotes wire

] [ denotes normally open contact

]/[ denote normally closed contact

O denotes relay coil.

****** denotes leds

+12 door open signal--------------------O-------------------------------------------------------GND

door open relay coil

+12 open impulse signal----------------]\[-----------------------------------------O-----------GND

door open relay contact latched relay coil

+12v-------------------------------------------] [-------------------------------------******-----------GND

latched relay contact door handle led

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LED door handle lights

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