Recommended Wiring for Semi Tractor to Tow Gooseneck Trailer
Updated 10/10/2017 | Published 10/09/2017
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Question:
I have a gooseneck trailer with a stand 7 way connector cable, I would like to connect it to a semi tractor which also has a 7 way connector cable. Is there an adapter that can handle that?
asked by: Bob
Expert Reply:
The wiring on a semi is not normally the same as a standard RV or Gooseneck trailer. You will need to use a couple different harnesses to get what you are looking for. I recommend the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit # 119250KIT which will clip onto your truck wiring to capture signal. Then you will need to hardwire a brake controller like # 90195 and use the 7-way brake controller kit # ETBC7 to make the wiring compatible with your trailer.
If you need an extension, you can use the Curt Universal 5th Wheel/Gooseneck 7-Way Extension - 7' Long # C56080.
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Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires
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