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  • Splicing an wiring harness can help you add multiple components to the same power source. When done properly, splicing is a perfectly legitimate way of utilizing one electrical source to power several items. Splicing involves stripping away the protective rubber coating from the outside of a wire and either soldering or using wire terminals to attach two wires together.

    Best Way to Splice

    The best method for splicing uses solder as a bond and a covering material such as electrical tape or heat shrink. This method ensures that you can make a complete circuit, because solder is a very conductive material. Strip the rubber coating off the wires with wire strippers, and bend the exposed wires with your hands so that each end looks like the letter "J." It is a good idea to wear gloves when splicing wires together. Place the two ends together so that they hook each other, and twist each wire around itself. This creates small loops that connect each wire to the other. Use a soldering gun and solder to seal the loops and hold them together securely. Finally, use either heat shrink or electrical tape to cover the wires. This creates a seal and protects the wires from water and the elements. Most importantly, the seal protects you from electrocution. Whether the splicing involves an automotive wiring harness or simply just joining two wires together, this method is safe and effective.

    Other Methods for Splicing

    You can also use electrical connections to join two wires. The most common type of electrical connector is called the butt splice. This splice, a metal tube coated with a rubber jacket, slides over both ends of the wires and is squeezed into place with the wire stripping tool. You crimp the butt splice over the wires, forming a connection between the metals. Although these connections are safe to use, they do not hold up as well as solder. That's because solder bonds the metals, while electrical connectors simply use friction to hold them together. Terminals, another form of electrical connections, can come in ring, spade, or push-on varieties. The spade and ring terminals usually are held in place with screws or bolts through the center of the terminal. Push-on terminals use a male terminal joining a female terminal to make a connection. You can use all types of terminals for splicing wires together. However, the push-on terminals provide a more secure connection than the spade terminals.

    Source:

    MM Xpress: Splicing Wires

    Home Tips: Splicing Wires

    More Information:

    Hemmings Auto Blog: How to Splice

    Overclock.net: Splicing Wires

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