Table 3.3. DC Wiring Color Codes
DC Wiring Color Codes
Color codes identify wiring throughout the boat. The color codes for the DC system is as follows:
• Red – Source Conductors
Positive 12VDC. All current carrying conductors between the batteries and battery switch or
circuit breaker in a circuit.
• Yellow – Negative Conductors
All current carrying DC negatives that terminate at the batteries or accessory components.
• Green – All Ground Conductors
Wire # Function Color
100 PORT ENGINE RED
100A PORT BATTERY RED
105 STBD ENGINE RED
105A STBD BATTERY RED
116 IGNITION VIOLET
118 BATTERY ISOLATOR RED
121 PORT CHARGER RED
122 HOUSE CHARGER RED
123 STBD CHARGER RED
150 CONSTANT RED
171 12V OUTLET RED
182A HOUSE BATTERY RED
184 ELECTRONICS BOX RED
195 WINDLASS RED
195-1 WINDLASS DIRECTION WHITE
195-2 WINDLASS DIRECTION WHITE
198 WINDLASS UP RED/BLUE
199 WINDLASS DOWN RED/GREEN
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