T12 Automatic Transmission Assembly
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 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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Connector Part Information
- Harness Type: Engine
- OEM Connector: 13878751
- Service Connector: 19303772
- Description: 16-Way F 1.5 Series, Sealed (BK)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
Service Terminal |
Tray Name |
Core Crimp |
Insulation Crimp |
| I |
13575434 |
J-35616-66 (YE) |
J-38125-28 |
2 21 24 47220 0 |
Yazaki 12 |
E |
1 |
| II |
13578934 |
J-35616-66 (YE) |
J-38125-28 |
2 21 24 47220 0 |
Yazaki 12 |
E |
1 |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 - 2 |
- |
- |
- |
Not Occupied |
- |
- |
| 3 |
0.5 |
OG/BK |
1786 |
Transmission Park/Neutral Signal 1 |
II |
L96/LC8 |
| 4 |
0.35 |
RD/WH |
1840 |
Battery Positive Voltage |
I |
- |
| 5 |
0.8 |
BK/WH |
1551 |
Signal Ground |
II |
- |
| 6 |
0.5 |
L-BU/WH |
6311 |
Cruise/ETC/TCC Brake Signal |
II |
L96/LC8 |
| 7 |
- |
- |
- |
Not Occupied |
- |
- |
| 8 |
0.5 |
TN |
2501 |
High Speed GMLAN Serial Data (-) 1 |
II |
- |
| 9 |
0.5 |
D-BU |
5985 |
Accessory Wakeup Serial Data |
II |
L96/LC8 |
| 10 |
0.5 |
TN/BK |
2500 |
High Speed GMLAN Serial Data (+) 1 |
II |
- |
| 11 |
0.5 |
TN |
2501 |
High Speed GMLAN Serial Data (-) 1 |
II |
- |
| 12 |
0.5 |
PK |
2139 |
Run/Crank Ignition 1 Voltage |
II |
L96/LC8 |
| 13 |
0.5 |
TN |
2501 |
High Speed GMLAN Serial Data (-) 1 |
II |
- |
| 14 |
0.5 |
TN/BK |
2500 |
High Speed GMLAN Serial Data (+) 1 |
II |
- |
| 15 |
0.5 |
TN/BK |
2500 |
High Speed GMLAN Serial Data (+) 1 |
II |
- |
| 16 |
0.5 |
OG/BK |
6399 |
Replicated TOS Signal |
II |
- |