X178 Automatic Transmission Wiring Harness to Automatic Transmission Output Speed Sensor Wiring Harness (M5U)
WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Automatic Transmission Wiring Harness
- OEM Connector: 33134940
- Service Connector: Service by Harness - See Part Catalog
- Description: 6-Way F 1.2 OCS Series (NA)
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Connector Part Information
- Harness Type: Automatic Transmission Output Speed Sensor Wiring Harness
- OEM Connector: 13955963
- Service Connector: Service by Harness - See Part Catalog
- Description: 6-Way M 0.64 II Series (GY)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
Not required |
J-35616-12 (BU) |
No Tool Required |
| II |
Not required |
J-35616-65B (L-BU) |
No Tool Required |
| Pin |
Size |
Color |
Circuit |
Terminal Type ID |
Option |
Function |
Pin |
Size |
Color |
Circuit |
Terminal Type ID |
Option |
| 1 |
- |
GY/BU |
6358 |
I |
- |
Output Speed Signal |
1 |
- |
YE |
6358 |
II |
- |
| 2 |
- |
YE/GN |
4170 |
I |
- |
Transmission Output Shaft Speed Sensor Circuit 9V Reference |
2 |
- |
RD |
4170 |
II |
- |
| 3 |
- |
YE/GN |
4170 |
I |
- |
Transmission Output Shaft Speed Sensor Circuit 9V Reference |
3 |
- |
WH |
4170 |
II |
- |
| 4 |
- |
WH/RD |
4171 |
I |
- |
Transmission Input Shaft Speed Sensor Circuit 9V Reference |
4 |
- |
WH |
4171 |
II |
- |
| 5 |
- |
GN/YE |
6353 |
I |
- |
Input Speed Signal |
5 |
- |
GN |
6353 |
II |
- |
| 6 |
- |
GN/VT |
4510 |
I |
- |
Transmission Intermediate Speed Signal |
6 |
- |
BK |
4510 |
II |
- |