Ford Factory Wire Harness Color Codes. This section will help you understand the stereo wiring diagrams better. The Ford wiring color code specifies the circuit number, wire color, and wire gauge size. For example, the code "374 BK/Y (18)" is broken down in the Motorcraft Ford Service News Bulletin Number 87-52 as follows:. Car Home Audio Speaker Wire Transparent Clear Cable 10AWG 10/2 Gauge (100 Feet) 212. $2799. Get it as soon as Tue, Jun 21. FREE Shipping. Small Business. Carwires 16-AWG High-Strand Car Speaker Wire (50 Feet / 15.24 Meters) True Spec, Soft Touch Cable with Polarity Markings. Great for Car Audio Speaker Installations (SW1600-50) 263. 2022. 4. 10. · Speaker. 4 Wire Wiring Harness Color Code. Yamir Feliciano . Pioneer Car Stereo ... Pioneer HPM-700 Speaker. T. Troygipson. Audiophile speakers. Transformer Wiring. Single Phase Transformer. Electrical Wiring Diagram. ... When moving I found a older car stereo I no longer used and a few speakers. I also knew I had a old PSU laying around so I decided to. Most amplifiers and speakers will be labeled + and -, or color coded red and black respectively. Wires can be many styles, as I said be consistent on each channel with which wire is used for connecting + and which is used for -. Generally, wires are zip cords which have two insulated sections tied together with a thin joining section. 2022-2-16 · The yellow wire is the one that supplies a constant 12V, the red wire is for accessories, and the orange wire with white stripes is for the dimmer or for illumination. Speakers: You’ll find four stereo wire colors for the speakers, and each of them will come in two variants, solid and striped. For example, while the grey wire is the (+) for.