When upgrading your car’s audio system, you might encounter the need to add an amplifier without replacing the factory head unit. This is where a Line Output Converter (LOC) becomes essential. The LOC takes the high-level speaker output from your car’s radio and converts it into low-level RCA signals that can be fed into an amplifier. Crucially, the accuracy and safety of this installation rely heavily on understanding and properly utilizing a wiring diagram installing line output converter to rear speakers. This article will guide you through the process, focusing on the essential wiring aspects.