C109 On-Engine Harness to Fuel Injector Harness (LY7)
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
C109 On-Engine Harness to Fuel Injector Harness (LY7)
| Connector Part Information |
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Connector Part Information |
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|---|---|---|---|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function | Pin | Wire Color | Circuit No. | Function |
| 1 | PK/BK | 5291 | Ignition 1 Voltage | 1 | WH | 5291 | Ignition 1 Voltage |
| 2 | PK/BK | 5292 | Ignition 1 Voltage | 2 | WH | 5292 | Ignition 1 Voltage |
| 3 | TN | 1744 | Fuel Injector 1 Control | 3 | TN | 1744 | Fuel Injector 1 Control |
| 4 | PK/BK | 1746 | Fuel Injector 3 Control | 4 | PK/BK | 1746 | Fuel Injector 3 Control |
| 5 | TN/WH | 845 | Fuel Injector 5 Control | 5 | TN/WH | 845 | Fuel Injector 5 Control |
| 6 | L-GN/BK | 1745 | Fuel Injector 2 Control | 6 | L-GN/BK | 1745 | Fuel Injector 2 Control |
| 7 | L-BU/BK | 844 | Fuel Injector 4 Control | 7 | L-BU/BK | 844 | Fuel Injector 4 Control |
| 8 | YE/BK | 846 | Fuel Injector 6 Control | 8 | YE/BK | 846 | Fuel Injector 6 Control |
| 9-10 | - | - | Not Used | 9 - 10 | - | - | Not Used |