Gm Genuine Parts 15236987 Front Door Radio Speaker,Black Flashes & Lighting and a wired siren

and a wired siren

Safty And Environmental Protection

G12 S12 S42 S62 * Instinct 2 2S

Construction Site And Other Areas That Is Suitable For Short-Distance Wireless Environments

And Various Outdoor Environments

Gm Genuine Parts 15236987 Front Door Radio Speaker,Black Flashes & Lighting and a wired sirenMusic Will Sound Its Best With Acdelco Gm Original Equipment Car Speakers, And Are Gm Recommended Replacements For Your Vehicles Original Components. Speakers Turn Electrical Energy Into Mechanical Energy To Move Air, Using A Permanent Magnet And An Electromagnet. The Electromagnet Is Energized When The Radio Or Amplifier (If Equipped) Delivers Current To The Voice Coil On The Speaker. The Voice Coil Will Form A North And South Pole That Will Cause