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Page Title:
APPENDIX D -- WIRE/CONNECTOR CHART |
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 WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX D -- WIRE/CONNECTOR CHART
BULKHEAD CONNECTOR FOR "S" HARNESS (Plug With Sockets, Receptacle With Pins) (Contin-
Terminal No.* Color Wire No.
Description
Termination Points*
Z
a
Yellow
164-S20
Retarder Modulation Request
ECU-S20, RMR-B
b
Green
191-S22
Secondary Shift Selector, Data Bit 2
ECU-S22, SSS-B
c
Blue
192-S23
Secondary Shift Selector, Data Bit 4
ECU-S23, SSS-C
d
Tan
157-S30
Vehicle Speed
ECU-S30, VIWS-D
e
Yellow
193-S24
Secondary Shift Selector, Data Bit 8
ECU-S24, SSS-D
f
Tan
194-S25
Secondary Shift Selector, Parity
ECU-S25, SSS-E
g
BULKHEAD CONNECTOR FOR "T" HARNESS (Receptacle With Sockets, Plug With Pins)
Terminal No.* Color Wire No.
Description
Termination Points*
A
Orange 102-T1
Solenoid Power, Solenoids A, D, and J
ECU-T1, TRANS-A
(MD 3070 only)
B
Green
103-T5
C Solenoid, Low
ECU-T5, TRANS-B
C
White
104-T7
G Solenoid, Low
ECU-T7, TRANS-C
D
Pink
124-T9
Sensor Power
ECU-T9, TRANS-D, TPS-C, RMR-C
E
Green
107-T3
Solenoid Power, Solenoid F
ECU-T3, TRANS-E
F
White
110-T22
F Solenoid, Low
ECU-T22, TRANS-F
G
White
120-T4
A Solenoid, Low
ECU-T4, TRANS-G
H
Tan
121-T2
Solenoid Power, Solenoids B and E
ECU-T2, TRANS-H
J
Orange
128-T20
B Solenoid, Low
ECU-T20, TRANS-J
K
Tan
129-T6
E Solenoid, Low
ECU-T6, TRANS-K
L
Yellow
130-T17
Solenoid Power, Solenoids C and G
ECU-T17, TRANS-L
M
Blue
131-T21
D Solenoid, Low
ECU-T21, TRANS-M
N
Green
135-T25
Analog Ground
ECU-T25, TRANS-N, TPS-A, RMR-A,
RTEMP-B (HD), RMOD-F (MD)
P
Tan
147-T27
Sump Temperature Sensor Input
ECU-T27, TRANS-P
Q
Green
148-T32
Output Speed Sensor, Low
ECU-T32, NO-B, TCASE-D
(MD 3070), RMOD-D (MDR)
R
Yellow 139-T16
Output Speed Sensor, High
ECU-T16, NO-A, TCASE-C
(MD 3070), RMOD-C (MDR)
S
Orange
150-T30
Engine Speed Sensor, Low
ECU-T30, NE-B
T
Tan
141-T14
Engine Speed Sensor, High
ECU-T14, NE-A
U
Blue
140-T31
Turbine Speed Sensor, Low
ECU-T31, NT-B (HD), TRANS-U (MD)
V
Orange
149-T15
Turbine Speed Sensor, High
ECU-T15, NT-A (HD), TRANS-V (MD)
W
Yellow
195-T13
Transmission Identification
ECU-T13, TRANS-W
X
White
162-T12
C3 Pressure Switch Input
ECU-T12, TRANS-X
Y
Blue
165-T26
Oil Level Sensor Input
ECU-T26, TRANS-Y
Z
a
Yellow 164-T11
Retarder Modulation Request
ECU-T11, RMR-B
b
Blue
156-T10
Throttle Position Sensor
ECU-T10, TPS-B
c
White 127-T23
H Solenoid, Low
ECU-T23, HSOL-A (HD), RMOD-A
(MDR), TCASE-A (MD 3070)
* Terminal number and termination points shown only apply when an Allison Transmission recommended harness configuration and bulk-
head connector are used.
0021 00143
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