Click to expand Tap to zoom 12 Pin Plug Harness Wiring for Federal Signal Smart Siren SS2000 / SS2000-SM by YP Signal Corp $19.99 | / SKU SS HARNESS 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Description 12 Pin Plug Harness Wiring for Federal Signal Smart Siren SS2000 / SM2000