PLEASE NOTE: This adapter does not alter the voltage between towing vehicles and trailers. The voltage of the towing vehicle is the voltage that will go to the trailer. For your purposes, you may need to buy different voltage trailer bulbs at your local auto parts store that are compatible with your towing vehicle?s voltage. Includes Pinball Hitch for the military HUMVEE allowing for the use of the pintle hitch as well as the use of a ball hitch. The wiring harness is for use towing a civilian trailer with a military vehicle, such as a HUMVEE. The 56? cable is a 7-way (blade) connection, standard. Note that this cable does not modify the voltage meaning 24 V in and 24 V out. If your trailer does not have modern LED bulbs that accommodate 24 V power, you will need to replace your bulbs. Simply purchased bulbs that operate on either 12 V or 24 V. We offer them on our store. How to Connect your Civilian Trailer to you Military HUMVEE- 12 pin to flat blade 7 Wiring Adapter Video will open in a new window Using the App? Paste link into a browser window: [isdntekvideo] If you are purchasing from outside of the United States, please be aware that your country will charge you import duties, as well as VAT (value added tax), for European Union members. Those taxes will be collected at the time of delivery. You, the buyer, are responsible to pay any applicable fees, duties, and/or taxes for your purchased item(s). HUMVEE, HMMWV, the HUMVEE Vehicle Configuration, and AM GENERAL are registered trademarks of AM General LLC. Federal Military Parts and its products and services are neither affiliated with, nor endorsed by, AM General LLC. PLEASE NOTE: This adapter does not alter the voltage between towing vehicles and trailers. The voltage of the towing vehicle is the voltage that will go to the trailer. For your purposes, you may need to buy different voltage trailer bulbs at your local auto parts store that are compatible with your towing vehicle?s voltage. The 56? cable is a 7-way (blade) connection, standard. Note that this cable does not modify the voltage meaning 24 V in and 24 V out. If your trailer does not have modern LED bulbs that accommodate 24 V power, you will need to replace your bulbs. Simply purchased bulbs that operate on either 12 V or 24 V. We offer them on our store. If you are purchasing from outside of the United States, please be aware that your country will charge you import duties, as well a