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BMW X5 E53 DIY OEM Hitch Installation Notes and factory installation PDF BMW X5 E53 DIY OEM Hitch Installation Notes and factory installation PDF
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  #271  
Old 07-08-2020, 06:34 PM
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Quote:
Originally Posted by Effduration View Post
One of the reviewers has an E53 X5 and says it fixes the flashing but not the dash error. It's too bad it restricts you to a 4-pin plug.

It looks Like Curt #57003 is what you want to adapt to LED lights and keep a 7-way plug.

https://www.curtmfg.com/part/57003
I just ordered Curt #57003,
Will post my findings.
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  #272  
Old 07-18-2020, 12:37 PM
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Quote:
Originally Posted by omgwtf View Post
I just ordered Curt #57003,
Will post my findings.
Well it did not work, same outcome.
Park lights= Yes
Turn=No
Brakes=No
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  #273  
Old 07-18-2020, 12:44 PM
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You said you made your own harness..have you tested it
With a non-LED trailer or a non-LED trailer harness tester ? Are we sure this is an LED issue?

Testers are avail cheap on-line, autozone, Walmart (great trailer section) or uhaul.
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  #274  
Old 07-19-2020, 10:32 PM
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Quote:
Originally Posted by Effduration View Post
You said you made your own harness..have you tested it
With a non-LED trailer or a non-LED trailer harness tester ? Are we sure this is an LED issue?

Testers are avail cheap on-line, autozone, Walmart (great trailer section) or uhaul.
I did test it on a trailer with incandescent lights.(today)
Wiring is good.
Park lights work.
Tail and brake do not.
Attached Images
  
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  #275  
Old 07-19-2020, 11:02 PM
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Quote:
Originally Posted by omgwtf View Post
I did test it on a trailer with incandescent lights.(today)
Wiring is good.
Park lights work.
Tail and brake do not.
How do you know wiring is good? It sounds like it is not good.

you have tried two different trailer modules
you have tried two different trailers

I would put a test light on the 7-way trailer connector and if lights still don't work, put a test light on the plug inside the back of the X5? If you have the trailer module connected correctly, you should get brake and turn signals at the connector inside the X5..
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  #276  
Old 07-20-2020, 03:25 PM
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Just went to a small local salvage yard and pulled a oem hitch w/ all necessary parts + bumper brace for $250.
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  #277  
Old 07-20-2020, 05:46 PM
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Quote:
Originally Posted by omgwtf View Post
I did test it on a trailer with incandescent lights.(today)
Wiring is good.
Park lights work.
Tail and brake do not.
Those 7 series 20's look pretty good. . Sorry, nothing to contribute for your problem but had to comment on the wheels.
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  #278  
Old 07-21-2020, 03:53 PM
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Quote:
Originally Posted by Effduration View Post
How do you know wiring is good? It sounds like it is not good.

you have tried two different trailer modules
you have tried two different trailers

I would put a test light on the 7-way trailer connector and if lights still don't work, put a test light on the plug inside the back of the X5? If you have the trailer module connected correctly, you should get brake and turn signals at the connector inside the X5..
I'll take a better picture of my harness, maybe I missed something.
I did check with a voltmeter not a test light, there's no power go through the connector (Brake & Turn) just pulses.
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  #279  
Old 07-21-2020, 03:54 PM
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Quote:
Originally Posted by crystalworks View Post
Those 7 series 20's look pretty good. . Sorry, nothing to contribute for your problem but had to comment on the wheels.
Thank you!
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  #280  
Old 07-21-2020, 06:46 PM
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Quote:
Originally Posted by jk715 View Post
Just went to a small local salvage yard and pulled a oem hitch w/ all necessary parts + bumper brace for $250.
Lucky you! I have 5x that invested in mine at this point.
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