- 1). Strip 1/4 inch of insulation off the white and green wire on the electric tongue jack and off the 10-gauge green and white wire.
- 2). Connect the jack's green wire to the 10-gauge green wire with a butt connector. These work by placing one wire in each end and compressing with pliers. Connect the jack's white wire to the 10-gauge white wire using the same method.
- 3). Guide these wires along the frame of the trailer to the battery. Fasten the wires to the trailer with cable ties.
- 4). Cut the wires to length with the wire cutters. Strip 1/4 inch of insulation off both wires. Connect the white wire to the fuse holder wire with a butt connector.
- 5). Loosen the terminals off on the battery. Slide the fuse wire under the positive terminal and the green wire under the negative terminal. Tighten the terminal screws back down.
- 6). Wrap all of the connections in electrical tape to provide additional protection from the elements.
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