User's Manual

18
NOTES & REFERENCES
MC-12
™
MODULATOR
CONTROLLER
ASSY.
TRAILER SERVICE AIR LINE
SPEED
SENSOR
EXCITER
RING
SPRING
BRAKE
VOLT LED (red) High/Low Voltage
MOD LED (red) M-12
™
Modulator Failure
SNS1 LED (red) Wheel Sensor Failure
SNS2 LED (red) Wheel Sensor Failure
CONT LED (red) EC-12
™
Controller Failure
PWR LED (green) EC-12
™
Controller Power
TRAILER
MOUNTED
STATUS LAMP
POWER FROM
STOPLIGHTS
GROUND
7PIN TRAILER ELECTRICAL
CONNECTOR
CONSTANT POWER FROM
TRACTOR IGNITION
(OPTIONAL CONNECTION)
GROUND
A
B
C
D
E
F
G
H
J
K
L
M
N
P
SENSOR 1
SNS 1
SENSOR 2
SNS 2
SENSOR 1
SNS 1
SENSOR 2
SNS 2
OPTIONAL
TRACTOR
MOUNTED STATUS
LIGHT
OPTIONAL
CONSTANT POWER
(TRACTOR IGNITION)
OPTIONAL
TRAILER
MOUNTED
STATUS LIGHT
STOPLIGHT SWITCH
POWER
14 PIN EC-12
™
CONTROLLER
CONNECTOR
EC-12
™
CONTROLLER
DIAGNOSTIC WINDOW