Internal XLR Wiring for Shure SM58 The red wire goes to pin 3. A wiring diagram can be found in the SM58 User Guide. Internal XLR Wiring for Shure SM58 Date Updated: October 31, 2008 FAQ #996. Question: I had a question about the wiring in the SM58. I have one and the bottom 3-pronged part came out and broke away from the wires. Shure Sm57 Wiring Diagram - Wiring Diagram And Schematic Description: Shure Sm58 Wiring – Youtube for Shure Sm57 Wiring Diagram, image size 480 X 360 px, and to view image details please click the image. Honestly, we also have been realized that shure sm57 wiring diagram is being one of the most popular field at this time. SM58 User Guides - Shure Publications The SM58 has a tailored vocal response for a sound which is a world standard. Rugged construction, a proven shockmount system, and a steel-mesh grille ensure that even with rough handling, the SM58 will perform consistently. Outdoors or indoors, singing or speech, the SM58 is the overwhelming choice of professionals worldwide.