New answers tagged wiring
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It's a 7-way trailer & RV plug. Here's the layout:
(From the vehicle side)
(From the trailer side)
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I had the same isue. Than it hit me. BMW utilizes a smart battery unit device on the positive terminal.
It's this device I think contain a relay off sum sort and gets timed out after set interval.
I just moved my Oterminal to behind it, and voila... Prob solved
Hope that helps guys
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