4 Way To 7 Way Trailer Wiring. Step 2 connect the brown wire from the 4 way plug to the running lights terminal of the 7 way receptacle. This trailer wiring adapter makes it easy to tow different trailers with your vehicle equipping it with a standard 7 way rv blade socket while retaining use of the existing 4 way flat wiring.
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Connect the white wire from the male 4 way trailer plug to the ground terminal of the 7 way receptacle. It is the 4 pin connector. A 4 way trailer connector has the basic lighting functions only.
This trailer wiring adapter makes it easy to tow different trailers with your vehicle equipping it with a standard 7 way rv blade socket while retaining use of the existing 4 way flat wiring.
It converts the 4 pin flat socket to the 7 pin blade round socket plug and play and easily synchronizes the trailer s taillights and turn signal lights. Step 2 connect the brown wire from the 4 way plug to the running lights terminal of the 7 way receptacle. Running lights left turn signal and brake lights right turn signal and brake lights and ground. Kohree 4 way flat to 7 way round blade trailer adapter plug end 4 pin to 7 pin electrical connector with mounting bracket for rv truck car 4 5 out of 5 stars 79 15 99 15.
