Can't find door - trigger wire for alarm

Supra5MGTE

New Member
Nov 11, 2005
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Tampa, FL
I've searched for hours, can't find it. It says it's a red/white wire, but none work. they always have - polarity with the door shut or open. I'm looking for a wire that gives me - ground when the door is open and has nothing when the door is closed. please help. :1zhelp: Can't figure out the hatch pin either. the blk/yellow wire doesn't change polarity no matter if the hatch is open or closed.