Marine Products - Faria Beede Instruments, Inc. Faria Beede offers custom capabilities that are almost limitless for volume applications. You work directly with our design team to create proprietary instrumentation that is exactly right for your product line. OEM's buy direct in bulk or in pre-wired custom panels through major panel and wire harness manufacturers across the country.Tachometers · Discrete Indicators · Aftermarket Catalog · Multifunction Gauges · Depth Sounders Faria tach gauge wiring. Page: 1 - iboats Boating Forums Apr 08, 2009Re: Faria tach gauge wiring. The standard side mount remote control will have a three wire plug below the ignition switch for the the three wire tachometer harness. Connect the blue lighting wire to one of the other blue lighting wires on a nearby gauge.