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Check out the manual that I attached. It appears to me that is a simple motor that runs either clockwise or counterclockwise most have some sort of pistons or impellers that pump the fluid and direction depending on the rotation direction. If the motor is running and not just humming when it...

If the pump produces pressure for starboard steer, it is not seized. It either reverses polarity to pump in the opposite direction or there is a electrically controlled valve that ports fluid in the desired direction as directed by the course computer. Your course computer tells it which way...

When I had F250s on my 330, I’ve since upgraded to 300s, I had the three bladed original props and got numbers very similar to what you are getting with your four blades. My guess is three blades will not make much difference. My three blade props were 17 pitch, don’t recall exactly the diameter...

You have an outdated hydraulic steering system with which I am not very familiar. The reservoir for the fluid is typically in the helm and added via a small plug near or under the helm itself. You’re single cylinder hydraulic ram move the motors back-and-forth and is not getting any pressure...

You most likely have hydraulic steering and have lost all of your hydraulic fluid. You can Google how to service it and bleed the system after adding fluid.

Bilge pumps should be wired directly to the battery through the float switch to be automatic regardless of battery switch or helm switch position. Most Grady-White bilge pumps are automatic with a float so the helm switch simply provides a manual ability to turn the bilge pump on regardless of...

Your VST tank and LP pump are both on the port side of the engine behind the intake plenum , along with the LP filter.

The command link bus most likely gets its power from the forward multi hub. Only one hub requires power to supply the entire bus.

Those are Yamaha command link multi hubs. you need an interface cable that goes from one of the “device” ports on the multi hub to your Nema 2000 backbone. There are three device ports on each multi hub. Your forward multi hub probably has no spare device ports. Your aft multi hub probably has...

On my 2007 330, the starboard battery switch controls the feed to the generator starter. Either battery bank can be selected by that switch to start the generator.

Some states require registration regardless of Coast Guard documentation.

On my 2007 330 I have two auxiliary fuse panels, one is behind the center area of the overhead electronics box feeding the anchor light and VHF radio. The other is up higher behind the cabin electrical panel almost behind where my auto pilot controller is installed. The panel is visible after...

A galvanic isolator is simply a transformer that prevents direct current from flowing from the dock to the vessels electrical system. Your boat believes, maybe correctly, that there is reverse polarity and will not let power onto the boat. The system that checks that in your panel is pretty...

Before you blame the gauges, make sure they are powered on. It could be they have become unplugged for some reason. Those look powered off, typically when they are extremely cloudy you can see at least something. When you first turn them on they should test go to all eights and you should be...

Make sure you have your gauge set to the proper protocol for the fuel sensor. There are European, American and one other that I can’t remember available in the settings for fuel quantity on the Yamaha gauges, if that’s what you have. Otherwise you may have a bad sender or some other extra...

My 2007 330 also has a valve at the helm. No solenoid.

Agree with seasick, it is more about the gypsy than the windlass itself. My guess is the windlass is a Lewmar pro fish 1000 or the standard Lewmar 1000. A picture would be good. If it is an original from Grady they will know. But if you can’t confirm that make sure to confirm it via serial...

If you have a Yamaha command link hub then you do not need to go to the engines. Simply plug an adapter cable into a spare device port on the hub and run it to a Nema 2000 net work. Worked with my 2006 motors but I suspect command link is the key. I actually made my own cable by splicing a Nema...

Assuming you have two engines, one fuel valve for each engine, it appears you have each engine selected to both tanks. When one tank runs out the engines may suck air so I would not count on it automatically shifting over to the fuller tank. I run each engine off a separate tank unless I want...

Also good to check the engine or engines if they turn freely. You can disconnect the steering cylinders and they should turn easily by hand. If not there may not be adequate grease in the vertical shaft.