Works but some wires need to be switch around

The plug and play worked for my Nissan Frontier but the wiring wrong. Went to go pick up a trailer and couldn’t because the trailer brakes were constantly applied. Was able to fix it but it shouldn’t be that way. The wiring should be correct before anyone receives it Rather than have to troubleshoot before it’s first use. To help those who also have this issue. You need to switch around the blue and black on the vehicle side and then on the trailer side switch the red and black.

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