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RS factory alarm disabling


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amp1 
Member - Posts: 9
Member spacespace
Joined: March 20, 2006
Location: United States
Posted: March 20, 2006 at 8:29 AM / IP Logged  

First I want to say wow!  What a great site!  I've read through quite a bit of the threads looking for the answer to my question, and although I haven't found it (actually maybe I did but just didn't recognize it) I'm impressed with the vast knowledge of the posters and how helpful everyone is.  Kudos!

Now for my question:  I just bought a Mopar (DEI) RS for my 2005 Durango.  I was talking to a guy who installs these things and he mentioned that I'll need to make sure to either A) wire up the RS to unlock the doors thus disabling the factory alarm or B) pull a pin somewhere (I'm unclear about this as he was talking above my knowledge level) in order to disable the alarm.   I was under the impression that the transponder ring served this purpose but now I'm not so sure.  Does the ring serve this purpose and if it doesn't how do I go about wiring the RS properly so the alarm is disabled when I use the RS?  Of course the purpose being to keep the alarm from sounding and cutting off the engine after it starts.   For the sake of security, I'd prefer that the doors stay locked when the RS is used until I choose to unlock them.

Thanks,

Chip

Twelvoltz 
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Joined: March 24, 2005
Location: New Jersey, United States
Posted: March 20, 2006 at 9:06 AM / IP Logged  
I am not familiar with the Mopar branded remote starting systems, however...the wiring diagram for your 2005 Durango can be found here. You will need a bypass module for your factory transponder based antistarting system. Chrysler calls this system Sentry. According to the techsheet the alarm cannot be interfaced via negative/positive triggers (sheet says it only operates via the factory remote). It would make the installation easier if you used a data based integration device that includes door lock interfacing, factory alarm interfacing, and includes a way to bypass the Sentry key. One type of module that would do this can be found here. You can install the system without one of these, but you will need to put a key-in-a-box or similar to bypass the Sentry system which would cause you to lose a key or purchase another key.
amp1 
Member - Posts: 9
Member spacespace
Joined: March 20, 2006
Location: United States
Posted: March 20, 2006 at 9:40 AM / IP Logged  
I probably should have mentioned that the kit has what they refer to as a SKREEM interface which the transponder ring and the dipole antenna plug into.  Is that what you're talking about?  I looked at the module link you provided and it looks similar to the SKREEM module.
amp1 
Member - Posts: 9
Member spacespace
Joined: March 20, 2006
Location: United States
Posted: March 20, 2006 at 9:46 AM / IP Logged  
Correction!  The wires that plug into the SKREEM interface module are the transponder Antenna loop) wire and a 4 pin connector from the kit's harness.  Sorry.  Nothing like erroneous info to really confuse the matter.
Twelvoltz 
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Posted: March 20, 2006 at 11:23 AM / IP Logged  
OK, I believe SKREEM stands for Sentry Key Remote Entry Module. Which is what chrysler calls their factory module. Do you have a make/model number of the starter/bypass that you are attempting to use? If we could see the installation manual it may help to clarify some things.
amp1 
Member - Posts: 9
Member spacespace
Joined: March 20, 2006
Location: United States
Posted: March 20, 2006 at 2:03 PM / IP Logged  

According to the installation manual, the part numbers are as follows:  The unit  Mopar referres to as the PC-12 module is part number 82208859.  It holds the various fuses, has the plugs on the back and receives the clip in unit called a DNA.  The RS kit box contains the wiring harness, the DNA, the RS remote fobs, dipole antenna and hood switch.  The final box contains the SKREEM module and is part number 82209083.   Somewhere in all those boxes is a loop antenna which wraps around the ignition key switch and plugs into the SKREEM module.  The manual says that when programming the SKREEM 2 programmed sentry keys are required.  The process of programming the SKREEM involves a number of steps, among which are inserting one key, turning the switch to "on" position for several seconds, switching the key off and removing it, keeping it more than 2 feet away from the ignition switch then inserting the other key and turning the ignition switch to the on position again.  After approx. 10 seconds the dash theft-security light will start to flash and a single chime will sound to indicate that the system has entered "customer learn" programming mode.  At this point the switch is to be turned off, the key removed and kept at least 2 feet away from the ignition switch.  The theft security light should turn off. There are some more steps but perhaps what I've just descibed will tell you enough to know if this is the alarm bypass set-up.  Thanks,

And yes you're right, SKREEM does stand for what you said.

Chip. 

amp1 
Member - Posts: 9
Member spacespace
Joined: March 20, 2006
Location: United States
Posted: March 20, 2006 at 2:07 PM / IP Logged  
Daggonit I forgot to give the number for the RS kit.  It's 82208863
Twelvoltz 
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Posted: March 20, 2006 at 3:44 PM / IP Logged  
I cannot seem to find an install manual online for either piece. However it looks to me as if the kit with the ring is just the Sentry bypass unit and not a data integration piece. As far as programming the unit is concerned, the sequence you mentio there is how you program another key to the vehicle so it is the same as with the module I referred to earlier. It seems though it does not offer doorlock interfacing and from the pictures I have seen it is just a one button remote start that does not offer doorlock integrating.
I am going to go out on a limb here because I cannot verify if it is the same for a Durango. I know for a fact in the 2005 Caravan if you have a transmitter built into your key and you program a valet key (grey key without remote built in) or the sentry chip that is built into your bypass, your factory remote controls will still work when the vehicle is running. But, if you use a key that has the remote built in for the bypass none of your factory remotes will work once started. So, since you already have to carry a remote (it's built in) then interfacing with the doorlocks is not really necessary. You would carry a second remote to start the vehicle and continue to use your factory remote for the keyless portion. The keyless would not work from as far away as the remote start, but this is not really too important. I believe this would work the exact same on your Durango.
Keep us posted.
amp1 
Member - Posts: 9
Member spacespace
Joined: March 20, 2006
Location: United States
Posted: March 20, 2006 at 4:11 PM / IP Logged  

Hey Twelvoltz, It works!  Regarding the second part of your statement, you're correct; the RS remote is a single button and operates only the starter.  The keys do have the built in lock and unlock switches.  I can't confirm the valet key situation because I have only two sentry keys, but that's an interesting aspect, and I have a feeling you're probably correct as the valet key is less interactive than the sentry keys. 

But here's some info you might find useful, the loop antenna and SKREEM interface DO bypass the factory alarm.  I know because my starter is working properly (so far, fingers crossed), as well the alarm  works properly.  And when the RS starts the vehicle it does not unlock the doors, which is what I wanted.  I reckon one advantage of using both a factory RS and alarm is that  they're fully compatable with one another and need no mods or extra switches, relays or what have you.    Although  I was able to figure it out myself I appreciate your prompt attention and I now have a really cool site to refer to for my future electrical/electronic endeavors.

Thanks again for the help,

Chip

NowYaKnow 
Gold - Posts: 1,217
Gold spacespace
Joined: December 18, 2002
Posted: March 20, 2006 at 5:07 PM / IP Logged  
"I just bought a Mopar (DEI) RS for my 2005 Durango"
Just to clarify the unit you have is made by Code Alarm for Mopar, not DEI. It uses the Code Alarm CA-420 transmitters, and the Code Alarm Power Code module. The OEM alarm on a durango is never an issue when remote starting because it won't trigger when it sees the ignitions on and a valid key. The only time you would run into an issue with the OEM alarm is when installing a remote start/keyless entry combo unit which even then isn't a big deal to get around. Looks like you got everything going, just wanted to throw out some extra info. Later,
Mike
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