Wiring Chart

Racer-X · Aug 20, 2011

Hi

I found this color code chart on this website: Link

I'm not sure how accurate it is.

I was struggling to wire up my 703 control box.
This helped.

Yamaha Outboard Wiring This information was provided by secondary sources but is believed to be accurate.

Code:

BLACK         = Ground

Code:

RED           = Battery Positive; SW3 Oil warning red light V4

Code:

YELLOW        = Ignition ON 12-volts; Four-stroke lighting coil

Code:

BLUE          = Instrument lights; choke; choke circuit;

Code:

                Ground potential oil transfer; High speed Charge Coil

Code:

GREEN         = Tachometer signal; lighting coil lead; knock sensor

Code:

ORANGE        = Trim position sensor

Code:

PINK          = Oil and overheat signal ground

Code:

WHITE         = Ignition stop circuit; SW1 oil transfer off position V4

Code:

BROWN         = Starter circuit; Low speed charge coil; Positive "+" potential

Code:

                to oil transfer pump; SW2 transfer on position V4

Code:

GRAY          = Warning circuit lead; Over-rev. control; Four-stroke tachometer

Code:

SKY BLUE      = Trim up

Code:

LIGHT GREEN   = Trim down

Code:

YELLOW/Red    = Diagnostic lead from ECU

Code:

PURPLE        = ECU groud to enrichment solenoid V76

Code:

BLACK/Yellow  = Thermo sensor

Code:

BLACK/Red     = Remote oil tank ground return, PBS to tachometer,

Code:

                Low speed charge coil

Code:

BLACK/White   = Ignition coil primary lead

Code:

GREEN/Blue    = Crank position sensor

Code:

GREEN/Red     = Red oil warning light ground through SW3 in main tank oil

Code:

                sensor to tachometer

Code:

GREEN/White   = Crank position sender; Lighting coil lead to rectifier

Code:

BLUE/Green    = Main tank oil level sensor SW2 oil transfer circuit

Code:

BLUE/Red      = Main tank oil level sensor SW3. No oil warning circuit

Code:

BLUE/White    = Main tank oil level sensor SW1; Oil transfer OFF circuit

Code:

BLUE/Yellow   = Shift cut switch

Code:

PURPLE/Red    = OX66 #1 injector

Code:

PURPLE/Black  = OX66 #2 injector

Code:

PURPLE/Yellow = OX66 #3 injector

Code:

PURPLE/Green  = OX66 #4 injector

Code:

PURPLE/Blue   = OX66 #5 injector

Code:

PURPLE/White  = OX66 #6 injector

Code:

RED/Yellow    = Key on power through fuel relay pump; power to ECU;

Code:

                Fuel pump and fuel injectors

Code:

WHITE/Red     = #1 pulser V6

Code:

WHITE/Black   = #2 pulser V6

Code:

WHITE/Yellow  = #3 pulser V6

Code:

WHITE/Green   = #4 pulser V6

Code:

WHITE/Blue    = #5 pulser V6

Code:

WHITE/Brown   = #6 pulser V6

Code:

YELLOW/White  = Electric fuel pump for electric carb system (ECS)

Didi · Aug 20, 2011

Thanks,will check it tommorw.

Regards

Wiring Chart

Racer-X

Member

Didi

New member