a return/fill line must be installed to connect the cases of all helm pumps together
a single MCU004 can control all of the displays
Water-tight hood and face seal
UPC: 723193812297
while the mic is connected to an extension socket on the dash below
Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV] Outdoor | Accessories a return/fill line must beAlternator 100 AMP 12V 1 2" Single Foot Spindle Mount Dual Vee Pulley with Isolated Ground Alternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1 2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco Style Mounting; Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM based Engines