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      02-12-2023, 10:34 PM   #10
Bob H
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Drives: E70 X5 diesel
Join Date: Dec 2015
Location: Greensboro, NC

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I think I realized why I can only find about 6 of the wires in all the diagrams above and guesses on 2 more (big power wires).
I need to look into the SRS and Seat Occupancy diagrams as well. Heating/vent fans, movement, lumbar and active seating appear to be covered in the screenshots in this thread.
I believe the other functions are different systems beyond "seats". So back to the diagrams I go!

Update on what I found:

For E70, 14 wires total between two connectors. "Main connector" is comprised of three sub connectors, (black and two grey), encased in a Yellow connector. The second connector is yellow with just two wires.

MAIN CONNECTOR:

Black plug:
Orange/Green - I believe KCAN feed
Green - I believe KCAN feed
Red/white - 7.5a 12v feed for seat adjustment switch
Brown/Black - I think this is the wire to connect to the seat adjustment switch on side of seats?
Thick Brown - 12 power?
Thick Red/Brown -12v power?


Grey plug #1:
Blue/white
Brown/black
Blue/Black
Blue/red(or brown?)

Grey plug #2:
Yellow - appears to be seat heating
Brown - appears to be seat heating


SECONDARY CONNECTOR:
Just two wires, yellow connector, likely SRS?
Blue/Black
Blue/Brown

Sucks that there are two wires that are brown/black and two that are Blue/black!

I will keep updating. It appears the F10 M5 connector shares the colors above on the ones I have identified so far. It does have one less wire overall, despite having more "functions" it can do.
Appreciate 0