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Trying to tap into accessory power for rear entertainment system

#1 User is offline   cayenneturbo 

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Posted July 26, 2009 - 09:34 AM

I just received a my arm rest dvd/monitor system and I am looking a for a spot to tap into that is only powered when the car is on vs always on. I have a cigarrette lighter in the rear of the center arrmrest. Is that power always on? Also while looking for somethins that slid off the front passenger seat I noticed a lot of empty electrical socket under the seat. Can any of those be used? Thank you
2004 Cayenne Turbo - current
1971 911S 2004-2005
1986 944 Turbo 1998-2001
1984 944 - my first Porsche 1990-1996
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#2 User is offline   Loren 

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Posted July 26, 2009 - 11:41 AM

All of the accessory plugs are unswitched power I am afraid.
Try looking for the telephone prep wires under the passenger seat.
Depending on which telephone prep option you have it will be either Red/Black or Black/Yellow. Brown is ground. These are switched power.
Should be easy enough to test with a volt meter.

Terminal 15 is switched +12 volts
Terminal 31 is ground
Terminal 30 is unswitched +12 volts
Attached Image: cayenne_power.png
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