2000 sunfire, alarm goes off after 20mins

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Duston

Member - Posts: 42

Joined: March 08, 2003

Location: Iowa, United States

Posted: April 01, 2003 at 2:05 PM / IP Logged

Hello i've been putting alarms in for a little while and starters also. Have'nt had this problem before though.

Installed a Ultra Start 2250 TL , alarm/starter everything works- alarm, starts fine etc., but when the car is armed 20 mintues later it goes off, every time i have to press lock then the start button to bypass the senors so it don't go off, and at 20 mintues it chirps two times but does'nt go off.

Any help? think it might have something to do with the radio because this radios stay on until you open the door!!!!! so when i arm it i think it is senceing someone is opeing the door...

Factory security systems suck!

auex

Platinum - Posts: 5,041

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Joined: December 23, 2002

Location: Arizona, United States

Posted: April 01, 2003 at 5:33 PM / IP Logged

Did you diode isolate the doors or did you tag a domelight wire? If the alarm has a voltage sensing option then this could also cause this, the bcm shuts down after 20 minutes and the voltage changes setting off the alarm.

Certified Security Specialist

Always check info with a digital multimeter.

I promise to be good.

Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

Duston

Member - Posts: 42

Joined: March 08, 2003

Location: Iowa, United States

Posted: April 01, 2003 at 5:46 PM / IP Logged

i just taped into the door pin, two wires found behind the switch..only one wire i taped into with the alarm pos. input door... thanks post again with any other ides..

Factory security systems suck!

auex

Platinum - Posts: 5,041

Joined: December 23, 2002

Location: Arizona, United States

Posted: April 01, 2003 at 7:31 PM / IP Logged

Two things, there are two door triggers and they are negative, and they must be isolated with diodes. They are grn/blk(drivers door) & lt. blue(passenger doors) and will be at the pin switches. Switch your door triggers and your problem should be solved.

Certified Security Specialist

Always check info with a digital multimeter.

I promise to be good.

Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

djfearny2

Silver - Posts: 810

Joined: September 23, 2002

Location: United States

Posted: April 01, 2003 at 9:09 PM / IP Logged

the trigger are negative and can be found at the kick pannel of each side read isolation section and diode isolate wires,. and like auex said your problem should be gone.

Jon

Installer/Help Technician

---coral springs florida---

mecp certification is not always needed. I have it and it has not helped me out at all. my experience out shines it.

Duston

Member - Posts: 42

Joined: March 08, 2003

Location: Iowa, United States

Posted: April 02, 2003 at 8:02 AM / IP Logged

ok guys i will try this method i think i had the right input from my alarm neg. door input, i think i typed pos. thanks again.

Factory security systems suck!

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2000 sunfire, alarm goes off after 20mins

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