Regal 3300 Owner's Manual page 125

Wire Color Codes
Wire color, gauge and function shown is used throughout the marine
industry. Your boat may not feature all these functions, as some are
optional features or are unavailable on your model.
COLOR
Black
Black / White
Blue
Blue
Blue / White
Blue / White
Brown
Brown
Brown
Brown / Black
Brown / Pink
Brown / Red
Brown / White 16
Grey
Grey / Black
Grey / White
Green
Green
Orange
Orange
Orange
Orange / Black 16
Orange / White 16
Purple
Red
Red
Red
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GAUGE FUNCTION
16 to 4 All Grounds
16 Halon Automatic Fire Extinguishing System
14 Interior Lights
10 Cabin Light Main Feed
16 Transom Courtesy Lights
14 Cockpit Lights
12 Water Pressure Pump
16 Aft Bilge Pump / Manual
16 Fwd. Bilge Pump / Manual
10 Overboard Discharge
16 Carbon Monoxide Detector
16 Fwd. Auto Bilge Pump
Aft Auto Bilge Pump
16 Bow Navigation Lights
16 Mast Light (Anchor Light)
16 Mast Light (Fwd. Running)
16 Tank Level Monitor
8 Bonding
16 Windshield Wiper / Run
12 Refrigerator, Hatch Run
10 Spotlight
Horn
Windshield Wiper Park
16 Hour Meter
16 Gas Vapor Detector, Stereo Remote, Breaker
To Dash Feed Lines
14 Positive Feed, Electronics
8 Positive Feed, Alternator Charge
Systems
4-13