Car wiring diagrams: 3 Pin Xlr Wiring Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. XLR Wiring Diagrams and Standards, for Pin XLR Connectors. Details on polarity, colour coding and wiring standards. DMX Audio.. Pin XLR Audio Pinout. The following is the AES industry standard for balanced audio XLR wiring, commonly known as "pin hot". Some manufacturers .Pin XLR Wiring Diagram. Okay, this may be really basic, but for some of you it may just be what you were looking for. Here is the basic wiring .