Scosche Gm13Sr Wiring Diagram. Scosche gm car wiring harness connector 33991069046 | ebay www.ebay.com. Automobile accessories, racks & stands user manuals, operating guides &. Scosche Gm13sr Wiring Diagram from schematron.org I'm using it in a 2008 chevrolet cobalt sport coupe and can't figure out which wires connect to which. Web find many great new & […]