X121 Body Harness to Forward Lamp Harness
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. 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: Body
- OEM Connector: 13603185
- Service Connector: 13576549
- Description: 40-Way F 1.5, 2.8 Series, Sealed (BK)
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Connector Part Information
- Harness Type: Forward Lamp
- OEM Connector: 13603208
- Service Connector: 13576551
- Description: 40-Way M 1.5 DSQ, 2.8 ATS 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 |
13575359 |
J-35616-14 (GN) |
J-38125-560 |
964274-2 |
Lear 16 |
E |
1 |
| II |
13580821 |
J-35616-4A (PU) |
J-38125-36 |
964280-2 |
Yazaki 15 |
E |
C |
| III |
13580821 |
J-35616-4A (PU) |
J-38125-36 |
Not Available |
Not Available |
Not Available |
Not Available |
| IV |
13575361 |
J-35616-45 (YE) |
J-38125-560 |
964265-2 |
Lear 28 |
C |
A |
| V |
13575361 |
J-35616-45 (YE) |
J-38125-560 |
964265-2 |
Lear 28 |
E |
2 |
| VI |
13575364 |
J-35616-5 (PU) |
J-38125-36 |
Not Available |
Not Available |
Not Available |
Not Available |
| VII |
13575425 |
J-35616-5 (PU) |
J-38125-36 |
Not Available |
Not Available |
Not Available |
Not Available |
| Pin |
Size |
Color |
Circuit |
Terminal Type ID |
Option |
Function |
Pin |
Size |
Color |
Circuit |
Terminal Type ID |
Option |
| 1 - 16 |
- |
- |
- |
- |
- |
Not Occupied |
1 - 16 |
- |
- |
- |
- |
- |
| 17 |
0.5 |
WH/RD |
2165 |
II |
- |
Automatic Level Control Position Sensor 5V Reference |
17 |
0.5 |
WH/RD |
2165 |
VII |
- |
| 18 |
0.5 |
BN/WH |
7525 |
I |
- |
Front Axle Level Sensor Signal |
18 |
0.5 |
BN/WH |
7525 |
V |
- |
| 19 |
0.5 |
BK/BN |
2185 |
I |
- |
Automatic Level Control Position Sensor Low Reference |
19 |
0.5 |
BK/BN |
2185 |
V |
- |
| 20 |
- |
- |
- |
- |
- |
Not Occupied |
20 |
- |
- |
- |
- |
- |
| 21 |
1 |
GY/BU |
7538 |
I |
- |
Left Front DRL Control |
21 |
1 |
GY/BU |
7538 |
IV |
- |
| 22 |
1 |
BU/BN |
7539 |
I |
- |
Right Front DRL Control |
22 |
1 |
BU/BN |
7539 |
IV |
- |
| 23 |
- |
- |
- |
- |
- |
Not Occupied |
23 |
- |
- |
- |
- |
- |
| 24 |
0.5 |
GN/BN |
7529 |
I |
- |
Local Interconnect Network Serial Data Bus 7 |
24 |
0.5 |
GN/BN |
7529 |
V |
- |
| 25 |
0.5 |
GN/VT |
7528 |
I |
- |
Local Interconnect Network Serial Data Bus 6 |
25 |
0.5 |
GN/VT |
7528 |
V |
- |
| 26 |
0.5 |
BK |
1150 |
I |
- |
Ground |
26 |
0.5 |
BK |
1150 |
V |
- |
| 27 - 31 |
- |
- |
- |
- |
- |
Not Occupied |
27 - 31 |
- |
- |
- |
- |
- |
| 32 |
0.75 |
YE/GY |
57 |
III |
- |
Left Cornering Lamp Control |
32 |
1.5 |
YE/GY |
57 |
VI |
- |
| 33 |
0.75 |
YE/WH |
58 |
III |
- |
Right Cornering Lamp Control |
33 |
1.5 |
YE/WH |
58 |
VI |
- |
| 34 - 40 |
- |
- |
- |
- |
- |
Not Occupied |
34 - 40 |
- |
- |
- |
- |
- |