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majek 
Member - Posts: 18
Member spacespace
Joined: September 06, 2003
Location: United States
Posted: September 28, 2003 at 2:19 PM / IP Logged  

Last night the car didnt go off at all. This is what I found out this morning.

Why is it when the door trigger wire from the alarm is disconnected but the dome supervision wire from the alarm is hooked up to the vehicle door trigger wire, then when I tap the car there are warning 4 chirps and the light in the car indicates that the car has been lightly taped. But when the door trigger wire from the alarm is connected with the dome supervision wire from the alarm to the vehicle door trigger wire, then when I tap the car the alarm goes off like somebody tryed to break into the car and the light in the car indicates that the door trigger has been violated. I found that when I taped the car the dome light flashes and I guess it spikes some kind of current going to the door trigger wire to the alarm which makes the car go off. Please help me with this problem     Thanks

Velocity Motors 
Moderator - Posts: 12,488
Moderator 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 Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. 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: March 08, 2002
Location: Manitoba, Canada
Posted: September 28, 2003 at 3:19 PM / IP Logged  
Is your impact sensor's final stage output hooked up to your door trigger input ? It sounds like this is what is happening.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
majek 
Member - Posts: 18
Member spacespace
Joined: September 06, 2003
Location: United States
Posted: September 28, 2003 at 3:40 PM / IP Logged  
no
majek 
Member - Posts: 18
Member spacespace
Joined: September 06, 2003
Location: United States
Posted: September 28, 2003 at 3:46 PM / IP Logged  
Like I said that when the car gets hit the dome light flashes sending a pulse to the door trigger wire to the alarm setting the alarm off. Thats why I need instructions on how to wire a relay.
Velocity Motors 
Moderator - Posts: 12,488
Moderator 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 Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. 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: March 08, 2002
Location: Manitoba, Canada
Posted: September 28, 2003 at 4:10 PM / IP Logged  
Have you checked the domelight circuit and see if the wire is grounding out anywhere ? Placing a relay will not help the situation if the dome light flickers when you hit the car .
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
majek 
Member - Posts: 18
Member spacespace
Joined: September 06, 2003
Location: United States
Posted: September 28, 2003 at 4:27 PM / IP Logged  
It doesnt flicker it flashes when the alarm goes off, thats how its suppose to be, my question is how do you hook up the domelight with out it triggering the alarm to go off when the car gets hit.
c2deez 
Copper - Posts: 71
Copper spacespace
Joined: June 17, 2002
Location: United States
Posted: September 28, 2003 at 11:25 PM / IP Logged  
I've NEVER seen an alarm pulse the dome circuit when there is a violation. If you checked for the impact tied to the door trigger, like Velocity said, and that's not the case, then I think someone used the parking light flash to trigger the domelight circuit. I've seen many installs where the installer used a parking light output to activate a sort of dome supervision, and this sounds like exactly whats happening. The domelight is activating in unison with the parking light flash. . .then again maybe I just need to get some sleep.
Hope some, or any, of this helps!
kenmci 
Copper - Posts: 161
Copper spacespace
Joined: July 15, 2003
Location: United States
Posted: September 29, 2003 at 1:01 AM / IP Logged  
Maybe this will not do anything, but I would try turning the domelight off and see if you can tap the car and the alarm still goes off.  Also as Velocity said, I would check the domelight circuit, make sure the bulb is good, try removing it and play with the alarm etc.
kenmci 
Copper - Posts: 161
Copper spacespace
Joined: July 15, 2003
Location: United States
Posted: September 29, 2003 at 6:45 PM / IP Logged  
majek, I sent you the diagram, I messed up the first one so make sure you use the second diagram I send you.  The one were the stripes face each other.
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