CHAPTER 3
Gauge Electrical Signals
Your outboard transmits signals through electrical harnesses to
different components through the use of NMEA 2000 connections
and a “backbone system”. A standard Garmin plotter displays the
engine functions. The fuel gauge and power trim gauges use stand
alone technology to display readings. Also, idiot lights are display
tolerances that are classifi ed as being abdormal. Faults in these
electrical components should be fully inspected by your Regal dealer.
Alarms
When a malfunction with your outboard engine occurs, the Garmin
plotter alerts the skipper of a problem. Common engine problems
include overheating, low oil pressure, or a miscommunication with
equipment. Learn the alarm systems that apply to your engine by
consulting your engine owner’s manual.
!
WARNING
AVOID OPERATION OF THE ENGINE AFTER AN ALARM HAS
SOUNDED. USE OF THE ENGINE WITHOUT ADDRESSING THE
PROBLEM MAY RESULT IN ENGINE DAMAGE OR FAILURE.
Spark Plugs
The spark plugs are the piece of equipment that make the spark occur.
As electrical potential builds on one side of the gap based upon the
energy distributed by the distributor, the potential eventually grows
large enough to cause the electric current to jump the gap on the
spark plug. This spark is what ignites the compressed fuel generating
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