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X5 E53 (1999 - 2006)
The X5 SAV Forum

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  #1  
Old 08-09-2016, 07:33 AM
Bishop11091984 Bishop11091984 is offline
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Location: Georgia
 
Join Date: Aug 2016
Posts: 1
Mein Auto: 2004 BMW X5 4.4i
Trailer wiring harness

I have a 2004 BMW X5 4.4i, I have already installed a trailer hitch and now I am working on installing the trailer wiring harness. I need to find out what wires control what lights. On the factory wiring harness that plugs in to the tail lights there are 4 wire's. Please help Identify what these wire's control.

Driver side plug.

1-Solid Orange
2-Green/Black
3-Green/Blue
4-Brown/Black

Passenger side plug.

1-Solid Orange
2-White/Black
3-Orange/Black
4-Black/Blue
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  #2  
Old 08-10-2016, 10:14 AM
ILONA355 ILONA355 is offline
WolfGuy99
Location: NJ
 
Join Date: Jun 2016
Posts: 31
Mein Auto: 2005 X5 3.0i
Pretty good Youtube videos explaining the process in detail
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  #3  
Old 03-15-2017, 12:19 PM
ratpH1nk ratpH1nk is offline
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Location: Maryland
 
Join Date: Dec 2016
Posts: 37
Mein Auto: 2005 X5 3.0i Sport
I am looking for the module and the wiring harness but not having much luck (2005 E53) where is the best place? Or even part numbers would be helpful?
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  #4  
Old 03-15-2017, 12:53 PM
ILONA355 ILONA355 is offline
WolfGuy99
Location: NJ
 
Join Date: Jun 2016
Posts: 31
Mein Auto: 2005 X5 3.0i
http://www.etrailer.com/t1-2005_BMW_X5.htm
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  #5  
Old 03-15-2017, 12:55 PM
ILONA355 ILONA355 is offline
WolfGuy99
Location: NJ
 
Join Date: Jun 2016
Posts: 31
Mein Auto: 2005 X5 3.0i
http://www.curtmfg.com/Category/193/...t%20Converters
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  #6  
Old 03-15-2017, 01:15 PM
ratpH1nk ratpH1nk is offline
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Location: Maryland
 
Join Date: Dec 2016
Posts: 37
Mein Auto: 2005 X5 3.0i Sport
With all of the horror stories about aftermarket units I was looking to maybe score an authentic BMW wiring kit, but all of the ones I have found were "no longer available" and many of those were the entire kit - big metal hitch and all.
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4.4i, bmw, brake wires, e53, electrical, electrical connection, lights, trailer hitch, trailer hitch lights issue, x5


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