Quote:
Originally Posted by flwbyu
I will apologize first for the long post and the repeating information in advance. I am having the same issue as Jus71n. I did everything per BMW's installation instructions. The only other option is moving A3 and A4 wires to another location –
Hardware
Tailgate tail lights, Left
A3 BFD_L to A174*13B Pin 5
A3 BFD_L to A174*12B Pin 17 [ Spot is already taken / splice ]
Tailgate tail lights, Right
A4 BFD_R to A174*13B Pin 13
A4 BFD_R to A174*14B Pin 12 [ Spot is already taken / splice ]
My understanding is that you would have to splice into the existing wire at those locations. The plus side would be no programming since it is tied directly to the left and right blinker. The negative is that you are splicing into an OEM harness.
So after all of this I am tempted to splice into the other wires. I was not sure if anyone had any suggestions or clarifications? Any help would be greatly appreciated. Thanks in advance!
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Yep, that's what I did, splice into the middle the two OEM wires to join the retrofit harness, so I can get right signal to the inner tail light.
Davids post is quite clear and that's what I followed. All done in less than 1hr