In a 2010 Subaru Forester, this particular wire prompts a linked system, similar to a backup digicam or parking sensor system, when the car is shifted into reverse. This activation is achieved by sending a 12-volt sign via the wire upon participating reverse gear.
Realizing the right wire’s coloration is essential for profitable aftermarket installations. Tapping into the fallacious wire can result in malfunctioning tools or injury to the car’s electrical system. This automated activation enhances security and driver consciousness throughout reversing maneuvers. Earlier than the prevalence of built-in infotainment methods, aftermarket options had been typically applied utilizing this methodology.