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2004 mazda 3 standard


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angusyoung 
Member - Posts: 8
Member spacespace
Joined: February 06, 2012
Location: Alberta, Canada
Posted: December 26, 2012 at 7:45 PM / IP Logged  

could use some clarification on the door trigger wire, when the door is open it has 12 volts and ground when closed. is this a negative or positive door input? is it inputting door open or closed?

thank you

angusyoung
kreg357 
Platinum - Posts: 7,783
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: Pennsylvania, United States
Posted: December 26, 2012 at 8:34 PM / IP Logged  

Neither.  These are called N.C. ( normally closed ) door triggers.  Ford and Mazda have used them.  DEI makes a module

called the DTIMazda that is designed to take this style input signal and output a more conventional N.O. signal for the
aftermarket Alarm to use.  Here is a link :

http://www.xpresskit.com/product.aspx?productid=460

There is also a rather involved DEI Tech Tip to build your own DTIMazda module.

See Tech Tip #1921 :  https://www.the12volt.com/installbay/file.asp?ID=930

Soldering is fun!

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