9
FIGURE 9 - WIRING SCHEMATIC FOR EC-15
™
CONTROLLER WITH PACKARD CONNECTOR
RELAY
RETARDER
CONTROL
SPEED SENSOR
HOLD
EXHAUST
SOURCE
M-21
™
MODULATOR
TERMINAL
TERMINAL CONNECTION
1
K
&
2
K
POWER
3
F
DASH LAMP
(RELA
Y
)
1
A
&
2
A
GROUND
2
F
LEFT
FRONT
MODULA
T
OR EXHAUST
2
G
LEFT
FRONT
MODULA
T
OR HOLD
1
G
LEFT
FRONT
MODULA
T
OR SOURCE
3
J
LEFT FRONT SPEED SIGNAL
3
H
LEFT FRONT SPEED SIGNAL RETURN
3
G
RET
ARDER DISABLE
1
H
RIGHT
FRONT
MODULA
T
OR EXHAUST
1
J
RIGHT
FRONT
MODULA
T
OR HOLD
1
F
RIGHT
FRONT
MODULA
T
OR SOURCE
2
H
RIGHT FRONT SPEED SIGNAL
3K
RIGHT FRONT SPEED SIGNAL RETURN
3
E
LEFT REAR SPEED SIGNAL
2
C
LEFT REAR SPEED SIGNAL RETURN
1B
LEFT
REAR MODULA
T
OR EXHAUST
1
C
LEFT
REAR MODULA
T
OR HOLD
1
D
LEFT
REAR MODULA
T
OR SOURCE
3
D
RIGHT REAR SPEED SIGNAL
3
C
RIGHT REAR SPEED SIGNAL RETURN
2
D
RIGHT
REAR MODULA
T
OR EXHAUST
2E
RIGHT
REAR MODULA
T
OR HOLD
1E
RIGHT
REAR MODULA
T
OR SOURCE
3
A
SERIAL A
3
B
SERIAL B
2B
NOT USED
2
J
NOT USED
PACKARD CONNECTOR
VEHICLE RIGHT FRONT
VEHICLE LEFT REAR
CONNECTOR
ON M-21
™
MODULATOR
POWER
SERIAL
LINK
