Systems
3-41
3-41
DC Wiring Color Codes
Color codes identify wiring throughout the boat. The color codes for the DC system is as follows:
1. Red – Source Conductors
2. Positive 12VDC. All current carrying conductors between the batteries and first switch or load
device in a circuit. Bus bars, circuit breakers, terminals, and fuses in the source conductor are
not considered switches or load devices.
3. Yellow – Negative Conductors
All current carrying DC negatives that terminate at the batteries or their terminals.
4. Green – All Ground Conductors
5. Non-current carrying grounding and bonding conductors.
There are several additional basic colors and color combinations for different circuits used beyond the
ignition switch. Some of these colors can serve more than one type of circuit.
Table 3-4.
illustrates the
color codes for the engine compartment and battery wiring.
Table 3.5. Engine/Battery Wire Colors
FUNCTION
WIRE COLOR
STARTER
RED
BATTERY
RED
HOUR METER
WHITE
PORT ALTERNATOR
RED
ENGINE
RED/VIOLET
ENGINE TEMPERATURE
TAN
ENGINE ALARM
TAN/BLUE
ENGINE TACHOMETER
GRAY
ENGINE OIL PRESSURE
LIGHT BLUE
ENGINE TEMPERATURE
TAN
ENGINE ALARM
TAN/BLUE
ENGINE TRIM LEVEL
BROWN/WHITE
ENGINE IGNITION
VIOLET
ENGINE STARTER
YELLOW/RED
BATTERY ISOLATER
RED
BATTERY CHARGER
RED (RED)
12 VOLT OUTLET
RED
ENGINE SHUTDOWN
WHITE/RED
HELM SWITCH POWER
RED
ELECTRONICS POWER
RED
Summary of Contents for 2015 21 Carina
Page 157: ...Appendix B B 2 B 2 Coast Guard Accident Report Continued ...
Page 158: ...Appendix B B 3 B 3 ...
Page 159: ...Appendix B B 4 B 4 B 4 B 4 ...
Page 160: ...Appendix B B 5 B 5 ...
Page 161: ...Appendix B B 6 B 6 ...
Page 162: ...Appendix B B 7 B 7 ...
Page 163: ...Appendix B B 8 B 8 ...
Page 166: ...Appendix C C 3 C 3 ...
Page 167: ...Appendix C C 4 C 4 ...
Page 172: ...Appendix E E 2 E 2 ...
Page 173: ...Appendix E E 3 E 3 ...
Page 174: ...Appendix E E 4 E 4 ...
Page 177: ...Appendix F Figure F 1 Navigational Aids F 3 F 3 ...