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Old 04-03-2013, 10:19 AM   #1
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Installing a proximity sensor in 2013 JKU

Does anyone know if it's possible to wire a proximity sensor such as the DEI 508D into the OEM alarm system, or do I need an aftermarket alarm as well? And if it is possible to use it with the OEM alarm, how difficult is it to do? Any experiences and knowledge gratefully received.

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Old 04-03-2013, 12:55 PM   #2
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I responded to your response in the other thread. It is possible. I actually have the sensor, switch, relay and wiring ready to go but just had not had time. Plus I wanted to set the sensor up wit the Jeep topless and didn't have the soft top on until a couple weeks ago. Now that the weather is getting better, it is time to start up the project.

I will do a full on install guide with pics as soon as I get it completed.

In short the prox sensor sends out a signal when it is triggered. That signal gets tied into a door sensor (either door or tailgate) and sets off the factory alarm. However I am adding the relay to cut the power to the sensor once the key is in/on. That way no open tailgate message in the dash constantly.

I am choosing the rear tailgate as my point of contact as I will not be removing that during the summer. Not sure if removing a door from the harness cancels out the factory alarm sensor. I know it affects the R.A.P feature of the radio so I assume it does affect the alarm sensors as well.

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Old 04-04-2013, 05:08 AM   #3
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Old 04-04-2013, 11:35 AM   #4
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The 2 guys in this thread really did all the work to map it out:

http://www.wranglerforum.com/f33/dei...em-113444.html

This is my plan as well using the 2012 approach for center console.

Basically using the same wiring plan as this:



The only difference is I already have a relay-controlled switched +12v as my source. I already have relayed power that supplies a large gauge line directly from the battery into the cabin for all other powered items such as HU, amp remote, Sirius tuner, etc. I will use that switched +12v as my "ignition-on".

Otherwise the exact same set-up with the kill switch. This set-up basically cuts power to the prox sensor when the key is in (and R.A.P). Pull the key, open a door and the relay flips allowing power back to the prox sensor. The manual switch then cuts power to that once the key is out if desired. Fairly neat trick.
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