![which wire is positive and which one is negative? Talking about the blue and yellow wires. I'm trying to install some car speakers but don't know what color is positive or negative. : which wire is positive and which one is negative? Talking about the blue and yellow wires. I'm trying to install some car speakers but don't know what color is positive or negative. :](https://preview.redd.it/which-wire-is-positive-and-which-one-is-negative-talking-v0-sgow8dj2yhk91.jpg?auto=webp&s=6ed4d2b9bdd96ee02f9afdda25be9994cc05aa01)
which wire is positive and which one is negative? Talking about the blue and yellow wires. I'm trying to install some car speakers but don't know what color is positive or negative. :
![Southwire 55669423 Primary Wire, 14-Gauge Bulk Spool, 100-Feet, Blue - Electrical Wires - Amazon.com Southwire 55669423 Primary Wire, 14-Gauge Bulk Spool, 100-Feet, Blue - Electrical Wires - Amazon.com](https://m.media-amazon.com/images/I/51g7rqmPSpL.jpg)
Southwire 55669423 Primary Wire, 14-Gauge Bulk Spool, 100-Feet, Blue - Electrical Wires - Amazon.com
![Understanding Earth, Neutral and Live Wires. Different Wires Sizes are used for different situation. C… | Electrical wiring colours, Color coding, Electrical wiring Understanding Earth, Neutral and Live Wires. Different Wires Sizes are used for different situation. C… | Electrical wiring colours, Color coding, Electrical wiring](https://i.pinimg.com/736x/20/ea/70/20ea700f1abeee9b78220f69ca6063e5.jpg)
Understanding Earth, Neutral and Live Wires. Different Wires Sizes are used for different situation. C… | Electrical wiring colours, Color coding, Electrical wiring
![Reviews for Cerrowire 250 ft. 14/3 Light Blue Solid CerroMax SLiPWire Copper NM-B Wire | Pg 2 - The Home Depot Reviews for Cerrowire 250 ft. 14/3 Light Blue Solid CerroMax SLiPWire Copper NM-B Wire | Pg 2 - The Home Depot](https://images.thdstatic.com/productImages/136375e9-4c33-4259-b8b3-417ed0a761df/svn/cerrowire-nm-wires-147-14043g-fa_600.jpg)