We have just purchased a 1997 Ben 321 with B&G Quad Depth and speed .
The depth display is operational.
The problem is the speed is not.So far have checked connections at the display head,Removed through hull and inspected the transducer paddle wheel all look good.
The depth display is operational.
The problem is the speed is not.So far have checked connections at the display head,Removed through hull and inspected the transducer paddle wheel all look good.