Komatsu PC500LC-10R Shop Manual page 60

HOW TO READ ELECTRICAL WIRE CODE
Types of circuits and color codes
Type of wire
Charge
Ground
Start
Light
Instrument
Signal
Type of circuit
Others
00-58
AVS, AV, CAVS
R WG -
B - -
R - -
RW RB RY
Y YR YB
G GW GR
L LW LR
Br BrW BrR
Lg LgR LgY
O - -
Gr - -
P - -
Sb - -
Dg - -
Ch - -
00 INDEX AND FOREWORD
- - -
- - -
- - -
RG RL -
YG YL YW
GY GB GL
LY LB -
BrY BrB -
LgB LgW -
- - -
- - -
- - -
- - -
- - -
- - -
AEX
R -
B -
R -
O -
Y Gr
G Br
L -
- -
- -
- -
- -
- -
- -
- -
- -
PC500LC-10R