marine wiring color codes

[rolmops]

Here is a little help for anybody trying to make sense out old boat wiring .

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DC WIRING COLOR CODE CHART

 

DC WIRING COLOR CODE CHART (per ABYC E-11/16 Table XV) Buy Primary Wire WIRE COLOR PACER SUFFIX ITEM USE GREEN or GREEN with Yellow Stripe

GN or GN-4

-

DC Grounding Conductors BLACK or YELLOW

BK or YL

-

DC Negative Conductors RED

RD

-

DC Positive Conductors YELLOW with Red Stripe

YL-2

Starting Circuit Starting Switch to Solenoid BROWN w/ Yellow Stripe or YELLOW (*see note) 

BR-4 or YL

Bilge Blowers Fuse or Switch to Blowers DARK GRAY

GY

Navigation Lights

Tachometer

Fuse or Switch to Lights

Tachometer Sender to Gauge

BROWN

BR

Generator Armature

Alternator Charge Light

Pumps

Generator Armature to Regulator Generator

Terminal / Alternator

Auxiliary Terminal to Light to Regulator Fuse or Switch to Pumps

ORANGE

OR

Accessory Feed

Ammeter to Alternator or Generator Output and Accessory Fuses or Switches

Distribution Panel to Accessory Switch

VIOLET (Purple)

VI

Ingition

Instrument feed

Ignition Switch to Coil & Electrical Instruments

Distribution Panel to Electric Instruments

BLUE

BL

Cabin and Instrument Lights Fuse or Switch to Lights LIGHT BLUE

LB

Oil Pressure Oil Pressure Sender to Gauge TAN

TN

Water Temperature Water Temperature Sender to Gauge PINK

PK

Fuel Gauge Fuel Gauge Sender to Gauge GREEN with "x" Stripe (not yellow)

GN-x

Tilt Down and/or Trim In Tilt and/or Trim Circuite BLUE with "x" Stripe

BL-x

Tile Up and/or Trim Out Tilt and/or Trim Circuits

* If DC Negative wire is YELLOW, then wire for Blower should be Brown with Yellow Stripe

 

Use UL approved wire for electrical systems in marine environments.  Find the best UL wire in the industry by clicking here.  

 

 

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Edited October 12, 2014 by rolmops