X121 - Front Harness to Left Headlamp Jumper Harness (w/o Leveling)
 Courtesy of GENERAL MOTORS CORP.
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 Courtesy of GENERAL MOTORS CORP.
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Connector Part Information
- OEM: PB625-04127
- Service: N/A
- Description: 4-Way F KNMWP 04F-GY Assembly (BK)
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Connector Part Information
- OEM: PB621-04120
- Service: N/A
- Description: 4-Way M Connector NMWP04M-B (GY)
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X121 - Front Harness to Left Headlamp Jumper Harness (w/o Leveling)
| Pin |
Wire |
Circuit |
Function |
Pin |
Wire |
Circuit |
Function |
| 1 |
YE |
712 |
Left Headlamp Low Beam Supply Voltage |
1 |
L-GN |
712 |
Left Headlamp Low Beam Supply Voltage |
| 2 |
D-GN/WH |
711 |
Left Headlamp High Beam Supply Voltage |
2 |
RD |
711 |
Left Headlamp High Beam Supply Voltage |
| 3 |
BK |
50 |
Ground |
3 |
BK/WH |
50 |
Ground |
| 4 |
- |
- |
Not Used |
4 |
- |
- |
Not Used |