Door Triggers

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DjIQ

Copper - Posts: 107

Joined: March 10, 2003

Location: United States

Posted: November 13, 2003 at 6:26 AM / IP Logged

How do I determine if my door triggers are (-) or (+)? I have a 1986 Honda Prelude 2.0si. I want to hook up neons so that when I open the door they come on with the dome light .

cpgoose

Gold - Posts: 1,098

Joined: July 08, 2002

Location: United States

Posted: November 13, 2003 at 6:53 AM / IP Logged

Someone correct me if I'm wrong, but your door triggers are (-). You can double check this by hooking up a Digital Multimeter (DMM) to the correct wire (BLACK/ white wire), and then test it when you open and close the door.

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padawan

Copper - Posts: 215

Joined: June 11, 2002

Location: United States

Posted: November 13, 2003 at 7:16 AM / IP Logged

That's right, hook your meters red lead to the door trigger wire, hook the black lead to ground, set meter to volts...

Close the door, if you read 12V when door is closed closed and 0 when open, it's negative trigger, if your read 0 when door is closed and 12V when open it's positive trigger...

DjIQ

Copper - Posts: 107

Joined: March 10, 2003

Location: United States

Posted: November 13, 2003 at 8:39 AM / IP Logged

how can i hook up neons inside the car so that they come on with the dome, if i hook up the (+) from a neon to the wire for the door trigger and then ground the neon it does the oppisite, the neon will come on the the dome light is off and vice versa

cpgoose

Gold - Posts: 1,098

Joined: July 08, 2002

Location: United States

Posted: November 13, 2003 at 9:02 AM / IP Logged

You need to use a relay. Hook it up like this:

Pin 85 = to the (-) door trigger wire

Pin 86 = to 12v+

Pin 30 = to 12v+

Pin 87 = to the neon's power wire

So when the door opens, it will send a (-) signal to the relay, and make the relay send 12v+ to the neon's power wire...turning on the neons.

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DjIQ

Copper - Posts: 107

Joined: March 10, 2003

Location: United States

Posted: November 13, 2003 at 9:31 AM / IP Logged

thanks!!!!

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Door Triggers

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