1988 MOTOR IN EXCELLENT ORDER FROM ONLY FRESHWATER USE, BUT CAN'T STOP OIL ALARM. ORIGINAL FAULT WAS AN ALARM ONLY WHEN MOTOR (AND OIL CONTROL MODULE WAS HOT) DIDN'T EVEN GET THE INITIAL BLEEP WHEN TURNING THE KEY SWITCH ON UNTIL THE MODULE WAS HOT. WHEN HOT THE ALARM CAME AND WENT IF THE MODULE...