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I posted this in a different forum, and somebody kindly guided me here, saying there'd be interest:

I was not happy that my brand new 06 Legacy wagon did not have what is now a very common feature "retaining accessory power" that keeps things alive for a while after removing the key. Later I found this very fact had been noted (on Edmunds!).. as a "minus" for the car. I found out later this problem also applies to the new Tribeca, which is embarrassingly worse for a higher-yet-end vehicle!!

Long story short: I made a black box module that wires in under the dash to give the car retained accessory power after removing the key for a selectable time (2 to 16 minutes.) Does the job nicely.. It has options for killing accessory power, since I don't like it when opening the door kills power instantly - because often I'm out of the car then realize I need to jump back in and use a power accessory... I made it that when you LOCK the car cuts power. And along these lines, I made it that pressing UNLOCK breathes life into accessory power - the radio comes on and is playing when you hop in which is kind of novel.. but also lets me use other accessories without ever having to put a key in the ignition! .. it powers off after a time, or locking the car again.

I also found a one-wire way to get power windows to work when Accessory power is on (instead of requiring ignition power to be on).. Also applies to sunroof on wagons.. so now I can use windows during retained power time. This one-wire trick also applies to Tribecas!! After studying the electricals between these two vehicles, I can see where Tribeca started from - the Legacy.

I've posted the brainpower on doing this elsewhere on another forum, legacygt.com I also offer install kits on a website if you don't want to make your own but buy a complete and tested kit ready to install, with Legacy and Tribeca instructions.
I'd be pleased to discuss here, and I've got a web site where I'm building and shipping these... but I know there are rules around here about selling.

Scott
 

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I went from a VW Passat to a Tribeca, and really miss the aux power staying on after I turn off the keys. PLease let me know how you are selling these and what the installation is like. Thanks.
 

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Selling any quantity on this board will require you to be a vendor. For that you will have to PM Ben (the site admin).
 
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Battery life

Scott, I'm sure you have a strong electrical background, can you tell me how this mod affects the battery life / drain - especially during cold temps?
 

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scottmcphee said:
I posted this in a different forum, and somebody kindly guided me here, saying there'd be interest:


I'd be pleased to discuss here, and I've got a web site where I'm building and shipping these... but I know there are rules around here about selling.

Scott
Dude, i'm not trying to be a dick here, but this feature is totally useless if you ask me. If I'm getting out of the car, why would I want my internal accessories on? I know you said "because often I'm out of the car then realize I need to jump back in and use a power accessory", but that seems like a lame excuse to me. I mean, you park, and get out of the car, but I've never once said "QUICK, I must jump back into the car and listen to the stereo NOW, and I want to not run the engine while doing so!!".

If I am sitting in the car with the engine off (for what reason, who knows) and I want to use the stereo, I will simply turn the power on with the key.

Don't get me wrong, I admire your enthusiasm and technical ability to get things to work your way. i just fail to see any use in this particular functionaility.

I'd rather see such technical ability go to something more useful like how to get an MP3 jack installed in an '06 Tribeca without using the rear-entertainment system.
 
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