| Connector 1: | Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® LCT) |
| Connector 2: | Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® MD) |
| Connector 3: | Automatic Transmission Shift Selector (Allison® MD) |
| Connector 4: | Neutral Relay (Allison® MD) |
| Connector 5: | Overdrive (OD) Defeat Switch (Allison® LCT) |
| Connector 6: | Overdrive Diode (Allison® LCT) |
| Connector 7: | Transmission Control Module (TCM) (Allison® LCT) |
| Connector 8: | Transmission Control Module (TCM) C1 (Allison® MD) |
| Connector 9: | Transmission Control Module (TCM) C2 (Allison® MD) |
| Connector 10: | Transmission Control Module (TCM) C3 (Allison® MD) |
| Connector 11: | Turbine Shaft Speed (TSS) Sensor (Allison® LCT) |
| Connector 12: | Vehicle Speed Sensor (VSS) (Allison® LCT) |
| Connector 13: | Vehicle Speed Sensor (VSS) (Allison® MD) |
Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® LCT)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | BK/RD | OA28 | AT ISS High Signal |
B | WH/D-BU | OA27 | AT ISS Low Signal |
Automatic Transmission Input Shaft Speed (AT ISS) Sensor (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | BK/WH | NF26 | AT ISS High Signal |
B | WH/RD | NF25 | AT ISS Low Signal |
Automatic Transmission Shift Selector (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | BK/RD | NF19 | Transmission Range Switch Signal A |
B | YE | NF18 | Transmission Range Switch Signal B |
C | L-GN | NF17 | Transmission Range Switch Signal C |
D | BN | NF16 | Transmission Range Switch Signal P |
E | WH | NF15 | Transmission Range Switch Signal |
F-K | -- | -- | Not Available |
L | -- | -- | Not Used |
M | D-GN | NF13 | Transmission Shift Selector Mode Signal |
N | GY | NF12 | 5-Volt Reference |
P | L-BU | NF10 | Tow/Haul Switch Signal |
R | OG | NF11 | Battery Positive Voltage |
S | D-BU | NF14 | Transmission Shift Selector Display Signal |
T | BK | NU03 | Ground |
U | BK/RD | NF20 | Illumination Dimming Control |
V | BK | NU04 | Ground |
W | -- | -- | Not Available |
Neutral Relay (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
30 | YE | NF57 | Crank Voltage |
85 | PU/WH | NF56 | A/T Neutral Signal |
86 | BK | NU05 | Ground |
87 | YE/D-BU | NF58 | Crank Voltage |
87A | -- | -- | Not Used |
Overdrive (OD) Defeat Switch (Allison® LCT)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | RD/D-GN | OA10 | Overdrive Defeat Switch Signal |
2 | BK | OX03 | Ground |
3 | PK | OA12 | Ignition 1 Voltage |
4 | RD/D-GN | OA11 | Overdrive Defeat Switch Signal |
5 | BK/RD | OA13 | Instrument Panel Lamps Dimmer Switch Signal |
6 | BK | OX04 | Ground |
Overdrive Diode (Allison® LCT)
Connector Part Information
|
Pin | Wire Color | Circuit NO. | Function |
|---|---|---|---|
A | RD/D-GN | OA10 | Overdrive Defeat Switch Signal |
B | RD/D-BU | OA09 | Overdrive Defeat Switch Signal |
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | BK/OG | OX01 | Ground | ||||
2 | PK | OA03 | Ignition 1 Voltage | ||||
3 | OG | OA02 | Battery Positive Voltage | ||||
4 | PK | OA04 | Ignition 1 Voltage | ||||
5 | BK/OG | OX02 | Ground | ||||
6 | WH | OA15 | Transmission Power Take-Off Enable Signal | ||||
7 | -- | -- | Not Used | ||||
8 | YE | OA23 | A/T Neutral Signal | ||||
9 | -- | -- | Not Used | ||||
10 | RD/D-BU | OA09 | Transmission Auxiliary Hold Signal | ||||
11 | BN | OA21 | Transmission Shift Inhibit Signal | ||||
12-18 | -- | -- | Not Used | ||||
19 | D-BU | OA28 | PTO Control | ||||
20 | -- | -- | Not Used | ||||
21 | PU | OA24 | Engine Brake Enable Signal | ||||
22 | -- | -- | Not Used | ||||
23 | D-GN/RD | OA08 | Do Not Shift Indicator Control | ||||
24 | -- | -- | Not Used | ||||
25 | GY | OA07 | TCM MIL Request | ||||
26 | -- | -- | Not Used | ||||
27 | WH | OA18 | Signal High - Rear | ||||
28 | BK | OA25 | Low Reference | ||||
29 | D-BU | OA60 | SAE J1939 Serial Data Bus+ | ||||
30 | YE | OA57 | Class 2 SAE J1850 Serial Data | ||||
31 | -- | -- | Not Used | ||||
32 | BK/WH | OA61 | SAE J1939 Serial Data Bus- | ||||
|
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | PK | OA41 | Transmission Fluid Pressure Switch Signal C | ||||
2 | D-BU | OA42 | Transmission Fluid Pressure Switch Signal D | ||||
3 | RD | OA42 | Transmission Fluid Pressure Switch Signal E | ||||
4 | L-GN/BK | OA44 | Transmission Fluid Pressure Switch Signal R | ||||
5 | BK/WH | OA51 | Transmission Range Switch Signal A | ||||
6 | YE | OA52 | Transmission Range Switch Signal B | ||||
7 | GY | OA53 | Transmission Range Switch Signal C | ||||
8 | WH | OA54 | Transmission Range Switch Signal P | ||||
9 | -- | -- | Not Used | ||||
10 | YE/BK | OA45 | TFT Sensor Signal | ||||
11-12 | -- | -- | Not Used | ||||
13 | D-BU | OA30 | Transmission Turbine Speed Switch Signal | ||||
14 | D-BU/WH | OA28 | Transmission Turbine Speed Switch Low Reference | ||||
15 | BK/D-BU | OA32 | VSS High Signal | ||||
16 | WH/D-BU | OA31 | VSS Low Signal | ||||
17 | BK/D-BU | OA28 | AT ISS High Signal | ||||
18 | WH/D-BU | OA27 | AT ISS Low Signal | ||||
19 | -- | -- | Not Used | ||||
20 | BK | OA46 | Low Reference | ||||
21 | YE | OA47 | Trans ID | ||||
22 | RD/BK | OA48 | PC Solenoid Valve High Control (Sol. A) | ||||
23 | D-BU/WH | OA49 | PC Solenoid Valve Low Control (Sol. A) | ||||
24 | PK/BK | OA33 | PC Solenoid Valve High Control (Sol. B) | ||||
25 | BN/WH | OA34 | PC Solenoid Valve Low Control (Sol. B) | ||||
26 | PU | OA36 | Shift Solenoid C Valve Control | ||||
27 | YE/BK | OA37 | Shift Solenoid D Valve Control | ||||
28 | OG/WH | OA38 | Shift Solenoid E Valve Control | ||||
29 | WH | OA40 | TCC PWM Solenoid Valve Control | ||||
30 | D-BU/OG | OA50 | Transmission Mainline Pressure Solenoid Control | ||||
31 | BN | OA35 | 12-Volt Reference | ||||
32 | D-GN/WH | OA39 | Line Pressure Control Solenoid Valve High Control | ||||
Transmission Control Module (TCM) (Allison® LCT)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | BN | OA21 | Transmission Shift Inhibit Signal |
2 | -- | -- | Not Used |
3 | BK | OA25 | Low Reference |
4 | WH | OA15 | Transmission Power Take-Off Enable Signal |
5-8 | -- | -- | Not Used |
9 | BK/OG | OX01 | Ground |
10 | OG | OA02 | Battery Positive Voltage |
11 | RD/BK | OA48 | PC Solenoid Valve High Control (Sol. A) |
12-13 | -- | -- | Not Used |
14 | GY | OA53 | Transmission Range Switch Signal C |
15-16 | -- | -- | Not Used |
17 | PK | OA41 | Transmission Fluid Pressure Switch Signal C |
18 | WH | OA16 | Signal High - Rear |
19 | -- | -- | Not Used |
20 | D-BU/WH | OA29 | Transmission Turbine Speed Switch Low Reference |
21 | D-BU | OA26 | PTO Engaged Signal |
22 | -- | -- | Not Used |
23 | YE | OA23 | A/T Neutral Signal |
24 | GY | OA07 | TCM MIL Request |
25-28 | -- | -- | Not Used |
29 | D-GN/RD | OA08 | Do Not Shift Indicator Control |
30-32 | -- | -- | Not Used |
33 | YE/BK | OA37 | Shift Solenoid D Valve Control |
34 | WH | OA54 | Transmission Range Switch Signal P |
35 | -- | -- | Not Used |
36 | BN/WH | OA34 | PC Solenoid Valve Low Control (Sol. B) |
37 | -- | -- | Not Used |
38 | - | - | Park/Neutral Signal |
39 | WH/D-BU | OA27 | AT ISS Low Signal |
40 | WH/D-BU | OA31 | VSS Low Signal |
41-44 | -- | -- | Not Used |
45 | PU | OA24 | Engine Brake Enable Signal |
46 | YE | OA57 | Class 2 Serial Data |
47 | BK/WH | OA61 | High Speed GMLAN Serial Data Bus- |
48 | D-BU | OA60 | High Speed GMLAN Serial Data Bus+ |
49-50 | -- | -- | Not Used |
51 | PU | OA36 | Shift Solenoid C Valve Control |
52 | OG/WH | OA38 | Shift Solenoid E Valve Control |
53 | YE | OA52 | Transmission Range Switch Signal B |
54 | YE/BK | OA45 | TFT Sensor Signal |
55 | L-BU/WH | 1229 | PC Solenoid Valve Low Control (Sol. A) |
56 | D-BU/WH | OA49 | PC Solenoid Valve Low Control (Sol. A) |
57 | RD | OA43 | Transmission Fluid Pressure Switch Signal E |
58 | BK | OA46 | Low Reference |
59 | BK/D-BU | OA28 | AT ISS High Signal |
60 | BK/D-BU | OA32 | VSS High Signal |
61 | RD/D-BU | OA09 | Overdrive Defeat Switch Signal |
62 | -- | -- | Not Used |
63 | PK | OA03 | Ignition 1 Voltage |
64 | -- | -- | Not Used |
65 | GY | 1524 | Backup Lamp Relay Control |
66-68 | -- | -- | Not Used |
69 | BK/OG | OX02 | Ground |
70 | OG | 440 | Battery Positive Voltage |
71 | BN | OA35 | 12-Volt Reference |
72 | -- | -- | Not Used |
73 | BK/WH | OA51 | Transmission Range Switch Signal A |
74 | D-BU/OG | OA50 | Transmission Mainline Pressure Solenoid Control |
75 | -- | -- | Not Used |
76 | YE | OA47 | Trans ID |
77 | L-GN/BK | OA44 | Transmission Fluid Pressure Switch Signal R |
78 | WH | OA40 | TCC PWM Solenoid Valve Control |
79 | D-BU | OA42 | Transmission Fluid Pressure Switch Signal D |
80 | D-BU | OA30 | Transmission Turbine Speed Switch Signal |
|
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | BK/OG | OX01 | Ground | ||||
2 | PK | OA03 | Ignition 1 Voltage | ||||
3 | OG | OA02 | Battery Positive Voltage | ||||
4 | PK | OA04 | Ignition 1 Voltage | ||||
5 | BK/OG | OX02 | Ground | ||||
6 | WH | OA15 | Transmission Power Take-Off Enable Signal | ||||
7 | -- | -- | Not Used | ||||
8 | YE | OA23 | A/T Neutral Signal | ||||
9 | -- | -- | Not Used | ||||
10 | RD/D-BU | OA09 | Transmission Auxiliary Hold Signal | ||||
11 | BN | OA21 | Transmission Shift Inhibit Signal | ||||
12-18 | -- | -- | Not Used | ||||
19 | D-BU | OA28 | PTO Control | ||||
20 | -- | -- | Not Used | ||||
21 | PU | OA24 | Engine Brake Enable Signal | ||||
22 | -- | -- | Not Used | ||||
23 | D-GN/RD | OA08 | Do Not Shift Indicator Control | ||||
24 | -- | -- | Not Used | ||||
25 | GY | OA07 | TCM MIL Request | ||||
26 | -- | -- | Not Used | ||||
27 | WH | OA18 | Signal High - Rear | ||||
28 | BK | OA25 | Low Reference | ||||
29 | D-BU | OA60 | SAE J1939 Serial Data Bus+ | ||||
30 | YE | OA57 | Class 2 SAE J1850 Serial Data | ||||
31 | -- | -- | Not Used | ||||
32 | BK/WH | OA61 | SAE J1939 Serial Data Bus- | ||||
|
| |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information |
| ||||||
Pin | Wire Color | Circuit No. | Function | ||||
1 | PK | OA41 | Transmission Fluid Pressure Switch Signal C | ||||
2 | D-BU | OA42 | Transmission Fluid Pressure Switch Signal D | ||||
3 | RD | OA42 | Transmission Fluid Pressure Switch Signal E | ||||
4 | L-GN/BK | OA44 | Transmission Fluid Pressure Switch Signal R | ||||
5 | BK/WH | OA51 | Transmission Range Switch Signal A | ||||
6 | YE | OA52 | Transmission Range Switch Signal B | ||||
7 | GY | OA53 | Transmission Range Switch Signal C | ||||
8 | WH | OA54 | Transmission Range Switch Signal P | ||||
9 | -- | -- | Not Used | ||||
10 | YE/BK | OA45 | TFT Sensor Signal | ||||
11-12 | -- | -- | Not Used | ||||
13 | D-BU | OA30 | Transmission Turbine Speed Switch Signal | ||||
14 | D-BU/WH | OA28 | Transmission Turbine Speed Switch Low Reference | ||||
15 | BK/D-BU | OA32 | VSS High Signal | ||||
16 | WH/D-BU | OA31 | VSS Low Signal | ||||
17 | BK/D-BU | OA28 | AT ISS High Signal | ||||
18 | WH/D-BU | OA27 | AT ISS Low Signal | ||||
19 | -- | -- | Not Used | ||||
20 | BK | OA46 | Low Reference | ||||
21 | YE | OA47 | Trans ID | ||||
22 | RD/BK | OA48 | PC Solenoid Valve High Control (Sol. A) | ||||
23 | D-BU/WH | OA49 | PC Solenoid Valve Low Control (Sol. A) | ||||
24 | PK/BK | OA33 | PC Solenoid Valve High Control (Sol. B) | ||||
25 | BN/WH | OA34 | PC Solenoid Valve Low Control (Sol. B) | ||||
26 | PU | OA36 | Shift Solenoid C Valve Control | ||||
27 | YE/BK | OA37 | Shift Solenoid D Valve Control | ||||
28 | OG/WH | OA38 | Shift Solenoid E Valve Control | ||||
29 | WH | OA40 | TCC PWM Solenoid Valve Control | ||||
30 | D-BU/OG | OA50 | Transmission Mainline Pressure Solenoid Control | ||||
31 | BN | OA35 | 12-Volt Reference | ||||
32 | D-GN/WH | OA39 | Line Pressure Control Solenoid Valve High Control | ||||
Transmission Control Module (TCM) C1 (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | D-GN/WH | NF07 | SAE J1708 Serial Data A |
2 | -- | -- | Not Used |
3 | GY | NF12 | 5-Volt Reference |
4 | -- | -- | Not Used |
5 | BK/RD | NF19 | Transmission Range Switch Signal A |
6 | YE | NF18 | Transmission Range Switch Signal B |
7 | L-GN | NF17 | Transmission Range Switch Signal C |
8 | BN | NF16 | Transmission Range Switch Signal P |
9 | WH | NF15 | Transmission Range Switch Signal-Parity Bit |
10 | D-GN | NF13 | Transmission Shift Selector Mode Signal |
11-12 | -- | -- | Not Used |
13 | D-BU | NF63 | SAE J1939 Serial Data Bus+ |
14 | BU | NF14 | Transmission Shift Selector Display Signal |
15 | -- | -- | Not Used |
16 | OG | NF11 | Battery Positive Voltage |
17 | D-GN | NF08 | SAE J1708 Serial Data B |
18-28 | -- | -- | Not Used |
29 | BK/WH | NF64 | SAE J1939 Serial Data Bus- |
30 | -- | -- | Not Used |
31 | GY | NF06 | TCM MIL Request |
32 | L-BU | NF10 | Tow/Haul Switch Signal |
Transmission Control Module (TCM) C2 (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | OG | NF02 | Positive Battery Voltage |
2 | PU | NF52 | Engine Brake Enable Signal |
3 | -- | -- | Not Used |
4 | GY | NF24 | Backup Lamp Control |
5 | -- | -- | Not Used |
6 | PU/WH | NF56 | A/T Neutral Signal |
7-10 | -- | -- | Not Used |
11 | BN | NF48 | Transmission Shift Inhibit Signal |
12 | YE | NF51 | Transmission Auxiliary Hold Signal |
13 | YE | NF55 | Transmission Power Take-Off Enable Signal |
14-15 | -- | -- | Not Used |
16 | OG | NF01 | Battery Positive Voltage |
17 | BK/WH | NU02 | Ground |
18 | -- | -- | Not Used |
19 | GY | NF50 | Transmission Fluid Temperature Sensor Signal |
20-25 | -- | -- | Not Used |
26 | PK | NF03 | Ignition 1 Voltage |
27-29 | -- | -- | Not Used |
30 | YE | NF53 | A/T Neutral Signal |
31 | BK | NF54 | Low Reference |
32 | BK/WH | NU01 | Ground |
Transmission Control Module (TCM) C3 (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | RD | NF36 | 12-Volt Reference |
2 | WH | NF33 | 12-Volt Reference |
3 | L-BU | NF31 | 12-Volt Reference |
4 | OG | NF37 | Shift Solenoid A Valve Control |
5 | PU | NF40 | Shift Solenoid C Valve Control |
6 | WH | NF35 | Shift Solenoid E Valve Control |
7 | WH | NF41 | Shift Solenoid G Valve Control |
8 | -- | -- | Not Used |
9 | D-GN | NF44 | 5-Volt Reference |
10-11 | -- | -- | Not Used |
12 | RD | NF42 | Transmission Fluid Pressure Switch Signal |
13 | RD/BK | NF49 | Trans ID |
14 | BK/D-BU | NF26 | AT ISS High Signal |
15 | BK/D-BU | NF30 | Transmission Turbine Speed Switch Signal |
16 | D-BU | NF28 | VSS High Signal |
17 | L-GN | NF39 | 12-Volt Reference |
18-19 | -- | -- | Not Used |
20 | PU | NF34 | Shift Solenoid B Valve Control |
21 | YE/BK | NF38 | Shift Solenoid D Valve Control |
22 | WH | NF32 | Shift Solenoid F Valve Control |
23-24 | -- | -- | Not Used |
25 | BK | NF46 | Low Reference |
26 | WH | NF45 | Transmission Oil Level Sensor Signal |
27 | YE/BK | NF47 | TFT Sensor Signal |
28-29 | -- | -- | Not Used |
30 | WH/D-BU | NF25 | AT ISS Low Signal |
31 | WH/D-BU | NF29 | Transmission Turbine Speed Switch Low Reference |
32 | D-BU/WH | NF27 | VSS Low Signal |
Turbine Shaft Speed (TSS) Sensor (Allison® LCT)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | D-BU/RD | OA30 | Transmission Turbine Speed Switch Signal |
B | WH/RD | OA29 | Transmission Turbine Speed Switch Low Reference |
Vehicle Speed Sensor (VSS) (Allison® LCT)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | BK | OA32 | VSS High Signal |
B | RD/D-BU | OA31 | VSS Low Signal |
Vehicle Speed Sensor (VSS) (Allison® MD)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | D-BU/RD | NF28 | VSS High Signal |
B | WH/RD | NF27 | VSS Low Signal |
