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Ignition or Accessory Wire for a 2004 BMW 745Li

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=56756
Printed Date: May 02, 2025 at 8:50 AM


Topic: Ignition or Accessory Wire for a 2004 BMW 745Li

Posted By: dalmyd1
Subject: Ignition or Accessory Wire for a 2004 BMW 745Li
Date Posted: May 31, 2005 at 6:06 PM

Need Help ASAP.........Can anyone tell me the color & where to find either the ignition wire or the accessory wire for the above mentioned vehicle!!!!

Thanks in advance for all your assistance!!!!!!!!!




Replies:

Posted By: kgerry
Date Posted: May 31, 2005 at 6:17 PM

Ign is Green

* The 7 series has 4 ignition wires of which 2 must be connected, it is therefore recommended to connect all 4. The PURPLE acc wire may test an ignition (on during crank). If so, connect it as an extra ignition.



-------------
Kevin Gerry
Certified Electronics Technician
MECP First Class Installer

Owner/Installer
Classic Car Audio
since 1979



Posted By: Ween
Date Posted: May 31, 2005 at 6:19 PM

hi,

under driver dash, at connector for brake switch. ...GREEN/ black.  use it to trigger a relay to switch battery power (power socket/cig lighter).  or if you have access to a dei power adapter (55000 or 55020 can't remember), use that lead to trigger the adapter still using battery power from above location. hope this helps.

mark


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