I have a 2001 bf50. I mounted a key switch in the dash, all wires appear to be in proper place. Started the engine-in the drive way, starts fine runs fine, tilt and trim works properly, oil light is green, no overhearing but the buzzer pulses-beep, beep, beep, it is not continious. The buzzer does the same thing in the "on" position with the engine off. Any ideas?