In mast wiring

[jmihalick]

I have a 1989 33.5 and need to replace my Rotovecta. The wiring to my Rotovecta is a single pair (red/blue) but the only wiring I see at the foot of my mast is a 3 pair. Is there a junction somewhere in my mast or is there a place where the single pair comes down?

It would also be great if there was a wiring diagram somewhere I could download. Thanks

 

[seadaddler]

Usually the wires come down into the cabin top and down usually where the mast support pole
is at the ceiling and a junction terminal in the headliner and goes over to where the main circuit breakers are
located.

 

[Bill Roosa]

All the lights in the mast usually share a common ground. Not familiar with your boat, what lights does it have on the mast?
Three wires would suggest anchor and steaming lights only with a shared ground.

 

[Skipper]

Just brainstorming:
My wind machine has 6 wires too, plus the shield.
It's an old Data Marine, but there's the possibility for similarity to yours here. It may be that 4 of the wires popped off, which would account for the device refusing to operate.
--check your Raymarine wiring diagram.
Edit: nevermind checking. I did it for you (pic).
Looks like the other wires go to the windvane.