Help PLEASE westfalia

A8ben

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Joined
Jul 12, 2022
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Location
Durham uk
I’ve fitted a detachable towbar came with wiring less the harness from the trailer ecu to the vehicle and from here im LOST has anyone got this fitted and can send pictures and wiring help? Fitting instructions anything I’ve bought the “red plug” to fit into the ecu and need to make the harness from
Scratch but no idea what goes where and what pins go where thanks!!!!