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racebmwm3 07-12-2019 04:39 PM

Constructing trailer wiring harness
 
I'm am trying to construct a trailer wiring harness using the factory parts.

Does anyone have the part number for the:
x393 connector
pins
rubber boot

As well as the pinout needed to convert from the round connector to a flat connector? I can sorta see the mapping on the front of the round connector cover, but it is hard to read.

https://c1552172.ssl.cf0.rackcdn.com/289175_x800.jpg

https://c1552172.ssl.cf0.rackcdn.com/66299_x800.jpg

wpoll 07-12-2019 04:42 PM

Here ya go...

https://www.newtis.info/tisv2/a/en/e...socket/aqJPW9Y

https://www.newtis.info/tisv2/a/en/e...0i-sav/WPttOaj

andrewwynn 07-12-2019 10:51 PM

I just have a great little plug in adapter y
For towing trailers with flat connector.


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racebmwm3 07-13-2019 06:00 PM

Quote:

Originally Posted by andrewwynn (Post 1165788)
I just have a great little plug in adapter y
For towing trailers with flat connector.


Sent from my iPhone using Tapatalk Pro

Probably the best option since I may have to use the round connector at some point. Don't wanna limit myself.

racebmwm3 07-13-2019 06:01 PM

Thanks!

Any idea how and where to purchase the parts?

andrewwynn 07-13-2019 06:03 PM

Quote:

Originally Posted by racebmwm3 (Post 1165798)
Probably the best option since I may have to use the round connector at some point. Don't wanna limit myself.



Exactly my thought. I have two different types. One has no cord and just converts the round to flat. The other has about a foot of cord to give a little reach if the trailer harness is too short.


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Overboost 07-13-2019 07:02 PM

Quote:

Originally Posted by racebmwm3 (Post 1165799)
Thanks!

Any idea how and where to purchase the parts?

A quick search of BMW 12 pin AMP connector lead me to the part you are looking for. Genuine BMW part. 61131378138

That part number came back at FCP Euro for $5.29.

https://www.fcpeuro.com/products/bmw...ol-61131378138

They should have the socket contacts for it as well but here is the part number
TE Connectivity ST 2.5mm D Round Female Contact - automotiveconnectors.com

Make sure to order the terminals associated with the size wiring you will be terminating to.

racebmwm3 07-13-2019 07:21 PM

Quote:

Originally Posted by Overboost (Post 1165802)
A quick search of BMW 12 pin AMP connector lead me to the part you are looking for. Genuine BMW part. 61131378138

That part number came back at FCP Euro for $5.29.

https://www.fcpeuro.com/products/bmw...ol-61131378138

They should have the socket contacts for it as well but here is the part number
TE Connectivity ST 2.5mm D Round Female Contact - automotiveconnectors.com

Make sure to order the terminals associated with the size wiring you will be terminating to.

Damn. You just made my day. :thumbup:

Overboost 07-13-2019 07:34 PM

Quote:

Originally Posted by racebmwm3 (Post 1165805)
Damn. You just made my day. :thumbup:

:thumbup: Porsche 996/997 GT3 Cup cars use the same connectors in the cockpit for expansion...

EODguy 07-13-2019 10:32 PM

Quote:

Originally Posted by Overboost (Post 1165807)
[emoji106] Porsche 996/997 GT3 Cup cars use the same connectors in the cockpit for expansion...

And some GT3 team somewhere just found that their car wouldn't start....[emoji1787]

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