Mercury – SC1000 Tachometer 7000 RPM | SmartCraft Analog Gauge | Gray Face | 85 mm | 79-8M0135645 Yamaha-F90-2005 No lights in any position

No lights in any position likely indicate there is no power to the panel

and include a small 1-amp inline fuse on the positive wire for safety

but over time the small seals and gaskets inside the carburetor start to wear out

By filtering fuel down to 10 microns

Mercury – SC1000 Tachometer 7000 RPM | SmartCraft Analog Gauge | Gray Face | 85 mm | 79-8M0135645 Yamaha-F90-2005 No lights in any positionMercury SC1000 Tachometer 7000 RPM SmartCraft Analog Gauge Gray Face 85 mm 79 8M0135645 Overview The Mercury SC1000 7000 RPM Tachometer (79 8M0135645) delivers the accuracy and durability you expect from SmartCraft in a clean, modern gray face design. It fits a standard 85 mm (3 3 8 in.) dash opening and connects directly to your Mercury SmartCraft network for instant, real time engine RPM readings. With a glass lens, white numerals, and a sharp OEM