Endurant HD
TRTS0950 EN-US
|
May 2026 - D

Connector Pin Descriptions

Note: This section is intended as a quick reference.

74-Way Transmission Harness Connector

MTM Part Number:

A-10000715, A-10002594, A-10004202

MTM Type: PS-393

_Graphics/LineArt/TRTS0950_PinDesc_74WayTransHarness.png

PinDescription
1Valve A1, Rail B Aft High
2Valve A1, Rail B Aft Low
3Not Used (Plug)
4Not Used (Plug)
5Valve B3, Rail D Aft High
6Not Used (Plug)
7Air Pressure Sensor Supply (5V)
8Air Pressure Sensor Signal
9Air Pressure Sensor Ground
10Not Used (Plug)
11Not Used (Plug)
12Not Used (Plug)
13Rail C Position Sensor Supply (5V)
14Rail C Position Sensor Signal
15Rail C Position Sensor Ground
16Valve C1, Rail C Fore High
17Valve C1, Rail C Fore Low
18 Valve C4, LCA Coarse Exhaust Low
Valve C6, LCA Fine Fill Low
19Valve C4, LCA Coarse Exhaust High
20Valve B3, Rail D Aft Low
21Not Used (Plug)
22LCA Position Sensor Ground
23LCA Position Sensor Signal
24LCA Position Sensor Supply (5V)
25Rail D Position Sensor Supply (5V)
26Rail C Position Sensor Signal
27Rail C Position Sensor Ground
28Valve B1, Rail C Aft High
29Valve B1, Rail C Aft Low
30Valve A6, Rail E Fore Low
31Valve A6, Rail E Fore High
32Countershaft Speed Sensor Signal
33Not Used (Pug): A-1000715, A-10002594 Transmission Oil Temperature Sensor: A-10004202
34Not Used (Plug)
35Not Used (Plug)
36Not Used (Plug)
37Not Used (Plug)
38Valve C2, Rail D Fore High
39Valve C2, Rail D Fore Low
40Valve C5, LCA Coarse Fill Low
41Valve C5, LCA Coarse Fill High
42Countershaft Speed Sensor Ground
43Not Used (Pug): A-1000715, A-10002594 Transmission Oil Temperature Sensor Grade: A-10004202
44Not Used (Plug)
45Not Used (Plug)
46Not Used (Plug)
47Not Used (Plug)
48Valve B2, Inertia Brake High
49Valve B2, Inertia Brake Low
50Valve A5, Rail B Fore Low
51Valve A5, Rail B Fore High
52Output Shaft Speed Sensor Ground
53Not Used (Plug)
54Input Shaft Speed Sensor Ground
55Input Shaft Speed Sensor
56Not Used (Plug)
57Rail B Position Sensor Supply (5V)
58Rail B Position Sensor Signal
59Rail B Position Sensor Ground
60Valve C3, LCA Fine Exhaust High
61Valve C3, LCA Fine Exhaust Low
62Valve A4, Rail E Aft Low
63Valve A4, Rail E Aft High
64Output Shaft Speed Sensor
65Not Used (Plug)
66Not Used (Plug)
67Valve C6, LCA Fine Fill High
68Not Used (Plug)
69Not Used (Plug)
70Not Used (Plug)
71Not Used (Plug)
72Rail E Position Sensor Supply (5V)
73Rail E Position Sensor Signal
74Rail E Position Sensor Ground

74-Way Transmission Harness Connector

MTM Part Number:

A-10004231, A-10004383, A-10004356

MTM Type: PS-496

_Graphics/LineArt/TRTS0950_PinDesc_74WayTransHarness.png

PinDescription
1Valve B3, Rail D Aft High
2Valve B3, Rail D Aft Low
3Valve A3, Rail A Fore Low
Valve B2, Inertia Brake Low
4Valve B2, Inertia Brake High
5Valve A1, Rail B Aft High
6Not Used
7Air Pressure Sensor Supply (5V)
8Air Pressure Sensor Signal
9Air Pressure Sensor Ground
10Not Used
11Not Used
12Not Used
13Rail C Position Sensor Supply (5V)
14Rail D Position Sensor Signal
15Rail D Position Sensor Ground
16Valve C1, Rail C Fore High
17Valve C1, Rail C Fore Low
18 Valve C4, LCA Coarse Vent Low
Valve C6, LCA Fine Fill Low
19Valve C6, LCA Fine Fill High
20Valve A1, Rail B Aft Low
21Not Used
22LCA Position Sensor Ground
23LCA Position Sensor Signal
24LCA Position Sensor Supply (5V)
25Rail D Position Sensor Supply (5V)
26Rail C Position Sensor Signal
27Rail C Position Sensor Ground
28Valve B1, Rail C Aft High
29Valve B1, Rail C Aft Low
30Valve A4, Rail E Aft Low
31Valve A4, Rail E Aft High
32Countershaft Speed Sensor Signal
33Oil Temperature Sensor Signal
34Not Used
35Rail B Position Sensor Supply (5V)
36Rail B Position Sensor Signal
37Rail B Position Sensor Ground
38Valve A5, Rail B Fore High
39Valve A5, Rail B Fore Low
40Valve C5, LCA Coarse Fill Low
41Valve C5, LCA Coarse Fill High
42Countershaft Speed Sensor Ground
43Oil Temperature Sensor Ground
44Not Used
45Not Used
46Not Used
47Not Used
48Valve A2, Rail A Aft High
Valve A3, Rail A Fore High
49Valve A2, Rail A Aft Low
50Valve C2, Rail D Fore Low
51Valve C2, Rail D Fore High
52Output Shaft Speed Sensor Ground
53Not Used
54Input Shaft Speed Sensor Ground
55Input Shaft Speed Sensor Signal
56Not Used
57Rail A Position Sensor Supply (5V)
58Rail A Position Sensor Signal
59Rail A Position Sensor Ground
60Valve C3, LCA Fine Vent High
61Valve C3, LCA Fine Vent Low
62Valve A6, Rail E Fore Low
63Valve A6, Rail E Fore High
64Output Shaft Speed Sensor Signal
65Not Used
66Not Used
67Valve C5, LCA Coarse Vent High
68Not Used
69Not Used
70Not Used
71Not Used
72Rail E Position Sensor Supply (5V)
73Rail E Position Sensor Signal
74Rail E Position Sensor Ground

20-Way TCM Vehicle Harness Connector

_Graphics/LineArt/TRTS0950_20-WayVehicleHarnessCon.png
PinDescription
1 Plugged (not used)
2Plugged (not used)
3Plugged (not used)
4Start Enable - Negative
5Battery Negative 1 (-)
6Battery Positive 1 (+)
7Fluid Pressure Sensor - Signal
8Protected Power Return
9Driver Interface Device (Mode Request from DID)
10Ignition Wakeup (Input)
11J1939A High (Input)
12J1939A Low (Input)
13J1939A Shield (Input)
14Start Enable - Positive
15Battery Negative 2 (-)
16Battery Positive 2 (+)
17Protected Power (Output)
18Fluid Pressure Sensor - Ground
19Fluid Pressure Sensor - Power
20Plugged (not used)

20-Way TCM Body Harness Connector

_Graphics/LineArt/TRTS0950_20-WayBodyHarnessCon.png
PinDescription
1 Configurable Output 1
2Configurable Output 2
3Configurable Output 3
4Configurable Input 2
5Body I/O Return 1
6Configurable Input 1
7J1939B High
8J1939B Low
9Plugged (not used)
10Plugged (not used)
11Plugged (not used)
12Plugged (not used)
13Plugged (not used)
14Body I/O Return 2
15Configurable Input 3
16Configurable Input 4
17Plugged (not used)
18Plugged (not used)
19Plugged (not used)
20Plugged (not used)

3-Way Output Speed Sensor Connector

_Graphics/LineArt/TRTS0950_PinDesc_3WayOutputSpeedSensorConnector.png
PinDescription74-Way Transmission Harness Connector Pin
1 Not UsedPlug
2Output Speed Sensor Signal52
3Output Speed Sensor Supply (5V)64