| Connector 1: | Automatic Transmission Input Speed Sensor (ISS) |
| Connector 2: | Vehicle Speed Sensor (VSS) |
| Connector 3: | Tow/Haul Switch, Column Wiring Harness Side |
| Connector 4: | Transmission Control Module (TCM), Engine Side |
| Connector 5: | Park/Neutral Position (PNP) Switch Connector, Wiring Harness Side |
Automatic Transmission Input Speed Sensor (ISS)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | OG | 1983 | Transmission Turbine Speed Switch Signal |
B | L-BU | 1984 | Transmission Turbine Speed Switch Low Reference |
Vehicle Speed Sensor (VSS)
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | L-GN/BK | 822 | VSS Low Signal |
B | PU/WH | 821 | VSS High Signal |
Tow/Haul Switch, Column Wiring Harness Side
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | L-BU | 553 | Tow/Haul Switch Signal |
B | BK/WH | 1851 | Ground |
Transmission Control Module (TCM), Engine Side
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | BN | 418 | Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Control |
2 | L-GN | 1222 | 1-2 Shift Solenoid Valve Control |
3 | OG/BK | 1230 | Automatic Transmission Input Speed Sensor (AT ISS) High Signal |
4 | -- | -- | Not Used |
5 | OG/BK | 6399 | Replicated TOS Signal |
6 | TN | 2501 | High Speed GMLAN Serial Data Bus - (CAN) |
7 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus + (CAN) |
8-10 | -- | -- | Not Used |
11 | D-BU | 5985 | Accessory Wake Up Serial Data |
12-14 | -- | -- | Not Used |
15 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + (CAN) |
16 | L-GN/BK | 822 | Vehicle Speed Sensor (VSS) Low Signal |
17 | L-BU/WH | 1229 | Pressure Control (PC) Solenoid Valve Low Control |
18 | -- | -- | Not Used |
19 | TN | 2501 | High Speed GMLAN Serial Data Bus - (CAN) |
20 | YE/BK | 1223 | 2-3 Shift Solenoid Valve Control |
21-22 | -- | -- | Not Used |
23 | GY | 773 | Transmission Range (TR) Switch Signal C |
24 | PK | 1224 | Transmission Fluid Pressure (TFP) Switch Signal A |
25 | -- | -- | Not Used |
26 | D-BU/WH | 1231 | Automatic Transmission Input Speed Sensor (AT ISS) Low Signal |
27-28 | -- | -- | Not Used |
29 | TN/WH | 771 | Transmission Range (TR) Switch Signal A |
30 | TN | 2762 | Low Reference |
31 | PK | 2139 | Ignition 1 Voltage |
32 | RD/WH | 1840 | Battery Positive Voltage |
33 | OG | 1226 | Transmission Fluid Pressure (TFP) Switch Signal C |
34 | -- | -- | Not Used |
35 | YE/BK | 1227 | Transmission Fluid Temperature (TFT) Sensor Signal |
36 | -- | -- | Not Used |
37 | TN | 2501 | High Speed GMLAN Serial Data Bus - (CAN) |
38 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus + (CAN) |
39 | WH | 776 | Transmission Range (TR) Switch Signal P |
40 | OG/BK | 1228 | Pressure Control (PC) Solenoid Valve High Control |
41 | PU/WH | 821 | Vehicle Speed Sensor (VSS) High Signal |
42 | L-BU/WH | 6311 | Brake Switch Signal |
43 | -- | -- | Not Used |
44 | D-BU | 1225 | Transmission Fluid Pressure (TFP) Switch Signal B |
45 | -- | -- | Not Used |
46 | YE | 772 | Transmission Range (TR) Switch Signal B |
47-48 | -- | -- | Not Used |
49 | BK/WH | 451 | Ground |
Park/Neutral Position (PNP) Switch Connector, Wiring Harness Side
Connector Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | D-GN | 1433 | Clutch Start Switch Signal |
2 | -- | -- | Not Used |
3 | OG/BK | 1786 | Park/Neutral Signal |
4 | YE | 772 | Transmission Range Switch Signal B |
5 | TN/WH | 771 | Transmission Range Switch Signal A |
6 | GY | 773 | Transmission Range Switch Signal C |
7 | BK/WH | 451 | Ground |
8 | WH | 776 | Transmission Range Switch Signal P |
9 | L-GN | 275 | Park Neutral Position Switch Signal |
10 | GY | 1524 | Back-up Lamp Supply Voltage |
11 | PK | 839 | Ignition 1 Voltage |
12 | PK | 639 | Ignition 1 Voltage |
