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2005 town and country, alarm/remote start


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Ohmz 
Copper - Posts: 193
Copper spacespace
Joined: May 09, 2002
Location: United States
Posted: May 15, 2008 at 5:30 PM / IP Logged  
Has anyone worked on this vehicle. I have installed one of those new Viper 1000ft range pager alarm/remote start on this. The problem is when I diode isolate and connect either the left or right sliding doors, I get a false trigger. And what's even more weird is that I get the a false trigger from the hood as well, but it shows up on the pager as a door. (I've disconnected the hood but Im still getting something from the sliding doors) Not sure what could be the problem. I put a bigger diode on the sliding door wires and that seems to have delayed the false triggering. If anyone has a wiring diagram for this it may be more helpful for me. Thanks..
Ohmz 
Copper - Posts: 193
Copper spacespace
Joined: May 09, 2002
Location: United States
Posted: May 16, 2008 at 11:45 PM / IP Logged  
After testing each door wire I noticed a slight jump in voltage. When you combined all wires together the voltage jumped so high that it triggered the alarm. So the problem was not only the side doors or the hood rather all combined. I finally resolve the problem using a 2200 ohm resistor in line after diode isolating all doors. Maybe it's just this alarm - maybe it's too sensitive- who knows, I just know I got it to work!
chriswallace187 
Gold - Posts: 1,661
Gold spacespace
Joined: March 11, 2002
Location: Pennsylvania, United States
Posted: May 17, 2008 at 12:34 AM / IP Logged  
The door wires need to be diode isolated from the BCM as well as from each other. Each individual door trigger wire gets cut and a diode wired inline, with the cathode(striped) side facing toward the door trigger switch, and the alarm's door trigger input connected on the cathode side as well.
C Renner's Auto Electronix
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