Question about DEI Python 1400XP Remote Start/Keyless Entry System

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Intermittent arm/disarm of Python model 560XV

Alarm is on '98 ford ranger. my son worked for circuit city and installed himself years ago. I added auto door locks months back and they worked fine. lately the alarm will not arm/disarm - doesn't appear to be remote - have two and problem persists with both - is there a possibility there is a loose ground wire?


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  • eargle4 Jan 20, 2009


    Thank you for the assistance. It apparently was a bad connection where the antenna plugged into the main unit. All is functioning well now.

  • Anonymous Mar 23, 2014

    I have a Python 990 on my 2008 ford F250. One FOB works fine but not the other. When this happened before, the FOB needed to be resynchronized to the truck. I do not remember how to do this and can't find it in the manual. How do I do this?

  • Anonymous Mar 23, 2014

    When I arm or disarm the alarm the siren no longer chirps to confirm.



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This "could" be a bad ground, however, usually when these units lose ground, they activate the siren at a really low level, because they are trying to ground through the siren.

I would say to check where the antenna plugs into the main unit,(brain) but honestly, in 17 years of dealing with DEI alarms, 99.9% of these problems are due to the transmitter - it may blink the LED like it is supposed to, but that doesnt gaurantee it is sending a signal. I would recommend buying a new transmitter and programing it to the brain.

Posted on Jan 15, 2009


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