2012 f150 remote start oem alarm disarm?
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=133594
Printed Date: April 28, 2024 at 1:19 AM
Topic: 2012 f150 remote start oem alarm disarm?
Posted By: audioclass
Subject: 2012 f150 remote start oem alarm disarm?
Date Posted: February 14, 2013 at 2:38 PM
Hi,
I'm about to install a Viper 5704 along with an xpresskit PKTX bypass on my 2012 F150 ecoboost. I have found all the wiring information on here already but I read somewhere that I will need some sort of relay setup to disarm the OEM alarm. Is this true? If so, are there any guides on how to do this?
I'm hoping there is nothing extravagant that needs to be done in order to get the alarm/remote start up and running. Thanks for any info you can provide.
Replies:
Posted By: shortcircuit161
Date Posted: February 14, 2013 at 3:27 PM
There are a couple of options. Search the downloads section for 2010 Ford and you will see a diagram for it. 2010+ Fords use a new anti-theft system.
Another option is to use a Fortin EVO-ALL module instead of the PKTX (i am not a fan of Xpresskit, even though the PKTX is a rebadged Fortin module).
The EVO-ALL controls everything on those newer Fords. Factory alarm, door locks, Door Status, Retained Accessory and immobilizer key code too. I've done a few newer Fords with the EVO-ALL and it saves you so much time and works awesome!!
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Posted By: jstruckman
Date Posted: February 14, 2013 at 5:46 PM
Even Fortin says in there install guide that some Fords they cant disarm through CAN. Basically on newer Fords you have to pulse ignition and sometime accessory to disarm the alarm. When remote starting it will do this already but to unlock you need to use a relay also. You will have to get into the vehicle and set off the alarm and then pulse ignition to see if it shuts off, if not then you will also have to pulse accessory. I have done any of these newer fords yet, just going off of what idatalink, Directed, and Fortin all say.
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Posted By: audioclass
Date Posted: February 14, 2013 at 8:00 PM
So how exactly would I run the relay? Trigger it off the unlock circuit? Doesn't the viper have an alarm disarm circuit already? What stops you from running that to the ignition if that's what it needs?
Posted By: audioclass
Date Posted: February 14, 2013 at 8:02 PM
Sorry for double posting, most of the wiring tables I've seen list alarm disarm as not applicable so I'm just lost.
Posted By: jstruckman
Date Posted: February 15, 2013 at 3:09 PM
Yes, use your unlock or alarm disarm output from the r/s to trigger a relay to pulse ignition.
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Posted By: metz35
Date Posted: February 15, 2013 at 4:57 PM
I pulse unlock, ignition, key sense , and gwr
I've yet to take the time to eliminate one by one the exact combination.
But that usually gets it done.
You could RSR it if your a fan of directed
And elimate half the wiring
Posted By: audioclass
Date Posted: February 15, 2013 at 7:42 PM
Ok I think I'm going to return the pktx and pick up the EVO-ALL instead. Another question, autotoys advised me that the evo-all can be reflashed to support D2D and work with a viper alarm without going wire to wire on everything. Has anyone tried this or had success with it? I don't mind going w2w if I have to as I think the evo-all still looks like the best option either way, but it sure would be nice to eliminate all those connections if they really do have the ability to support the D2D link.
Just trying to narrow down all the options before I get ahead of myself and wire things I don't need to.
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