A trailer connector is a multi-pole electrical connector between a towing vehicle (car, truck) and a trailer.
"[1] The connector offers feedback from the trailer to the towing vehicle, ranging from a fault indication for ABS brakes to advanced command, monitor and control using CAN bus for EBS brakes.
Note that the wire cross-section in mm² and AWG listed is the minimum recommended area.
In both cases the figures are rounded up for cable area.
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