A few years ago I converted the Seaward engine control pod on my C380, hull #199, to the NavPod EP162 pod that NavPod supplied to Catalina for use on some later/other models, and was apparently designed to be used with the Yanmar engine. The EP162 is very nice as its sleeker looking and aims the instruments upward for a better view from the helm, and NavPod is selling them for $99 right now (ad in current Mainsheet). The gauges used with the Westerbeke all swap over perfectly and most holes are pre-cut. This project is likely applicable to other Catalina models that use the Edson pedestal and the older Seaward pod. Here is a rundown of the project.
First off, my boat was fitted with two wiring tubes from the cockpit sole up to the original pod. The port side tube contained all the engine wiring and kill-cable. The starboard