
Pin
Number
Function
Wire
Color
1
Left Turn Signal
Black/
White
2
Rear Fog Light
White
3
a
Ground/Common
Return for Contacts
(Pins) 1 and 2 and
4 to 8
Brown
4
Right Turn Signal
Black/
Green
Pin
Number
Function
Wire
Color
5
Right Rear Position,
Side Marker Lights,
and Rear Registra-
tion Plate Illumina-
tion Device.
b
Green/
Red
6
Stop Lights
Black/
Red
7
Left Rear Position,
Side Marker Lights,
and Rear Registra-
tion Plate Illumina-
tion Device.
b
Green/
Black
8
Reverse lights
Blue/
Red
9
Permanent Power
Supply (+12V)
Red
10
Power Supply Con-
trolled by Ignition
Switch (+12V)
Yellow
11
a
Return for Contact
(Pin) 10
Yellow/
Brown
Pin
Number
Function
Wire
Color
12
Reserve for Future
Allocation
–
13
a
Return for Contact
(Pin) 9
Red/
Brown
NOTE:
The allocation pin 12 has been changed
from “Coding for coupled Trailer” to
“Reserve for Future Allocation.”
a
The three return circuits shall not be
connected electrically in the trailer.
b
The rear position registration plate illumi-
nation device shall be connected such that
no light of the device has a common
connection with both pins 5 and 7.
13–Pin Connector
246
PAGE POSITION: 248
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