The Metra 40-HD20 is a reverse-style antenna adapter engineered for select 2005+ Honda, Acura, Mazda, and Suzuki vehicles. Unlike standard aftermarket radio antenna adapters, the 40-HD20 is designed specifically for situations where an aftermarket antenna is being connected back into the factory OEM radio. This adapter features a female Motorola™ connector with a blue antenna power wire on one end and a male Honda-style antenna connector on the other. The blue wire connects to the factory radio antenna turn-on lead to maintain proper powered antenna operation and AM/FM reception. Features Reverse antenna adapter cable Designed for factory radio retention Connects aftermarket antenna to OEM radio Female Motorola™ connector Male Honda-style antenna connector Blue antenna turn-on lead included Plug-and-play installation Maintains factory AM/FM functionality OEM-quality molded connectors Designed for select Honda/Acura/Mazda applications Specifications Product Type: Reverse Antenna Adapter Vehicle Compatibility: Select 2005+ Honda, Acura, Mazda & Suzuki Vehicles Connector Type: Female Motorola to Male Honda-Style Installation Type: Plug-And-Play Power Lead: Blue antenna turn-on wire Common Vehicle Compatibility Honda Accord (2008–2012) Honda Civic (2006–2011) Honda CR-V (2007–2011) Honda Pilot (2006–2011) Honda Ridgeline (2006–2014) Acura MDX (2005–2013) Acura TSX (2009–2014) Mazda3 (2010–2019) Mazda CX-5 (2013–2020) (Exact compatibility varies depending on trim level and antenna configuration.) Included In The Box 40-HD20 antenna adapter cable Installation Notes Blue wire connects to antenna turn-on lead Designed primarily for factory radio retention applications Commonly used when replacing factory antenna assemblies Professional installation recommended
