you need raymarine part # m81105. Your ST4000+ is eratic me thinks? Going to be tough to find it on the used market. I have 2 but can get full price. sorry. Try calling Nashua and demanding one as they are now included "free" with the new wheel pilot.
you need raymarine part # m81105. Your ST4000+ is eratic me thinks? Going to be tough to find it on the used market. I have 2 but can get full price. sorry. Try calling Nashua and demanding one as they are now included "free" with the new wheel pilot.