K68 Trailer Lighting Control Module
WARNING: This page is about a different car, the 2022 Cadillac XT4. 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: Body Wiring Harness
- OEM Connector: 13670757
- Service Connector: 19371190
- Description: 38-Way F 1.5, 2.8, 4.8 MCP Series, Sealed (BK with BN Inner Connector)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
19368624 |
J-35616-35 (VT) |
J-38125-212 |
| II |
19369235 |
J-35616-14 (GN) |
EL-38125-560A |
| III |
85158596 |
J-35616-40 (BU) |
EL-38125-560A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
4 |
RD / WH |
2040 |
Battery Positive Voltage |
III |
- |
| 2 |
0.75 |
BU / WH |
5186 |
Left Trailer Turn Signal Lamp Control |
II |
- |
| 3 |
0.75 |
YE / GY |
5187 |
Right Trailer Turn Signal Lamp Control |
II |
- |
| 4 |
0.75 |
BN / YE |
5188 |
Trailer Stop Lamp Control |
II |
- |
| 5 |
0.75 |
BN / GY |
5184 |
Left Trailer Park Lamp Control |
II |
- |
| 6 |
0.75 |
GY |
5185 |
Right Trailer Park Lamp Control |
II |
- |
| 7 |
0.75 |
GN / WH |
5189 |
Trailer Backup Lamp Control |
II |
- |
| 8 |
0.75 |
YE / WH |
5190 |
Trailer Fog Lamp Control |
II |
- |
| 9 |
0.5 |
GN / BU |
5992 |
Trailer Connected Signal |
II |
- |
| 10 |
0.35 |
VT / WH |
1539 |
Run/Crank Ignition 1 Voltage |
II |
- |
| 11 |
0.35 |
VT / WH |
5065 |
Stop Lamp Relay Coil Control |
II |
- |
| 12 |
- |
- |
- |
Not Occupied |
- |
- |
| 13 |
4 |
BK |
2350 |
Ground |
III |
- |
| 14 - 26 |
- |
- |
- |
Not Occupied |
- |
- |
| 27 |
0.35 |
GN |
5060 |
Low Speed GMLAN Serial Data |
II |
- |
| 28 - 37 |
- |
- |
- |
Not Occupied |
- |
- |
| 38 |
2 |
RD / VT |
1940 |
Battery Positive Voltage |
I |
- |