WIRING COLOR CODES
YAMAHA COMMON WIRING COLOR CODES | ||
WIRE COLOR(S) | FUNCTION | COLOR SAMPLE |
BLACK | GROUND | |
RED | BATTERY POSITIVE; SW3 Oil warning red light V4 | |
YELLOW | Ignition ON 12-volts; Four-stroke lighting coil | |
BLUE | Instrument lights, choke, choke circuit, Ground potential oil transfer, High speed Charge Coil |
|
GREEN | Tachometer signal, lighting coil lead, knock sensor | |
ORANGE | Trim position sensor | |
PINK | Oil and overheat signal ground | |
WHITE | Ignition stop circuit, SW1 oil transfer off position V4 | |
BROWN | Start circuit Low speed charge coil; Positive "+" potential to oil transfer pump; SW2 transfer on position V4 |
|
GRAY | Warning circuit lead; Over-rev control; Four-stroke tachometer |
|
SKY BLUE | Trim Up | |
LIGHT GREEN | Trim Down | |
YELLOW-RED STRIPE | Diagnostic lead from ECU | |
PURPLE | ECU groud to enrichment solenoid V76° | |
BLACK/YELLOW STRIPE | Thermo sensor | |
BLACK/RED STRIPE | Remote oil tank ground return, PBS to tachometer, Low speed charge coil |
|
BLACK/WHITE STRIPE | Ignition coil primary lead | |
GREEN/BLUE STRIPE | Crank position sensor | |
GREEN/RED STRIPE | Red oil warning light ground through SW3 in main tank oil sensor to tachometer |
|
GREEN/WHITE STRIPE | Crank position sender; Lighting coil lead to rectifier | |
BLUE/GREEN STRIPE | Main tank oil level sensor SW2 oil transfer circuit | |
BLUE/RED STRIPE | Main tank oil level sensor SW3. No oil warning circuit | |
BLUE/WHITE STRIPE | Main tank oil level sensor SW1; Oil transfer OFF circuit | |
BLUE-YELLOW STRIPE | Shift cut switch | |
PURPLE-RED STRIPE | OX66 #1 injector | |
PURPLE/BLACK STRIPE | OX66 #2 injector | |
PURPLE/YELLOW STRIPE | OX66 #3 injector | |
PURPLE/GREEN STRIPE | OX66 #4 injector | |
PURPLE/BLUE STRIPE | OX66 #5 injector | |
PURPLE/WHITE STRIPE | OX66 #6 injector | |
RED/YELLOW STRIPE | Key on power through fuel pump relay; power to ECU; Fuel pump and fuel injectors |
|
WHITE/RED STRIPE | #1 pulser V6 | |
WHITE/BLACK STRIPE | #2 pulser V6 | |
WHITE/YELLOW STRIPE | #3 pulser V6 | |
WHITE/GREEN STRIPE | #4 pulser V6 | |
WHITE/BLUE STRIPE | #5 pulser V6 | |
WHITE/BROWN STRIPE | #6 pulser V6 | |
YELLOW/WHITE STRIPE | Electric fuel pump for electric carb system (ECS) |
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