Wiring Diagrams; Wire Color Code - Yamaha F70AET Rigging Manual

WIRING DIAGRAMS

Some representative wiring diagram samples for Yamaha genuine remote controls and instruments
are shown here. These diagrams will cover most common configurations.

WIRE COLOR CODE

The wiring color code and the main usage for the electric wires are shown below.
The wire color and its main usage are different between Yamaha standard and ABYC standard.
* For the wires which use tracer stripes, the main color is followed by a slash then the tracer color.
For example:
R/G = Red wire with a green tracer stripe
Pu/W = Purple wire with a white tracer stripe
Color
Wire color
code
B Black
B/R Black/Red
B/W Black/White
Br Brown
Ch Chocolate
Dg Dark green
G Green
G/R Green/Red
G/W Green/White
Gy Gray
L Blue
Lg Light green
Or Orange
Or/B Orange/Black
P Pink
Pu Purple
Pu/W Purple/White
R Red
Sb Sky blue
V Violet
W White
W/R White/Red
X —
Y Yellow
Y/R Yellow/Red
Color sample
Ground, Battery (–)
Remote-oil tank
Ignition coil primary
Neutral switch
Lighting coil 1 (tach signal 1)
Oil warning
Lighting coil 2 (tach signal 2)
Warning signal
Instrument light, Remote choke
Trim down
Overheat warning, Trim signal
ECM
Battery (+)
Trim up
Engine stop switch
Pulser coil
Not used
Accessory feed
Diagnosis
Main usage
Yamaha standard
5-36
ABYC standard
Ground
Generator
Tacho signal
Instrument light
Accessory feed
Fuel sensor
Ignition
Battery (+)
Oil pressure
Starting motor