ABYC Color Code Standards
Modern boats are have complex systems that often span great distances. Wires travel in hidden compartments often bundled with many other wires. These challenges make tracing a wire on a boat a serious task.
The use of the A.B.Y.C. Color Code Standards attempts to help wire identification simple. The American Boat and Yacht Council system is a standard used by most boat builders. Knowing these color standards makes troubleshooting electrical systems more efficient.
How it works.
On Boats, specific color wire get used in specific systems. For example, Pink Wire is for a Fuel Gauge Sender to Gauge.
|COLOR||PACER COLOR CODE||PACER STRIPE CODE||ITEM||USE|
|Black||BK||0||Ground||Negative / Neutral Main Return|
|Brown||BR||-1||Alternator Charge Light
|Generator Terminal or Alternator Auxilliary Terminal to
Generator Armature to Regulator
Circuit Breaker or Switch to Pumps
|Distribution Panel to Electrical Instruments
Positive Main Power (particulary un-fused)
|Ammeter to Alternator or Generator
Distribution Panel to Accessory Switch
Accessory Circuit Breakers or Switches
|Generator to Regulator Field Terminal
Negative / Neutral Main Return
|Green||GN||-5||Bonding System||Grounding Wires (if insulated)|
|Blue||BL||-6||Cabin & Instrument
|Fuse or Switch to Lights|
|Lt. Blue||LB||-16||Oil Pressure||Oil Pressure to Sender to Gauge|
|Ignition Switch to Coil & Electrical Instrument
Distribution Panel Electrical Instruments
|Circuit Breaker or Switch to Lights
Tachometer Sender to Gauge
|Tan||TN||-11||Water Temperature||Water Temperature Sender to Gauge|
|Pink||PK||-12||Fuel Gauge||Fuel Gauge Sender to Gauge|