AH 4000

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Hayden Watson

My ’88 C30 has an AH 4000 auto pilot which has an input port of windvane. I also have a Horizon WS40 wind gauge. Is there anyway for the WS40 to send wind direction to the auto pilot? Hayden Watson S/V Papillon 1988 C30 tr/bs Spokane, WA
 
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Bill Boudreau

Incompatability

Unfortunately, the windvane port on your old 4000 was looking for a proprietary analog wind vane input from a vane we stopped manufacturing in 1990. It is not an input for a NMEA wind sentence. In fact, this older 4000 does not have any data integration capabilities at all.
 
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Hayden Watson

Thanks

I was afraid of that. On a related subject, when my remote is hooked up to my unit the auto pilot will sometimes just stop working. If I unplug the remote and press auto it starts up again. I suspect that this is a somewhere in the wire. Can this unit be repaired or do I just put a new st4000 higher on my Christmas list? Hayden Watson S/V Papillon 1988 C30 tr/bs Spokane, WA
 
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John Visser

Proprietary analog wind vane spec?

Can you provide the specification for the analog interface? Thanks, jv
 
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