X131 Chassis Harness to Engine Harness (L20, LMG, LC9 or L9H)
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
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Connector Part Information
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X131 Chassis Harness to Engine Harness (L20, LMG, LC9 or L9H)
| Pin | Wire | Circuit | Function | Pin | Wire | Circuit | Function |
|---|---|---|---|---|---|---|---|
| A | 0.5 PU | 1589 | Fuel Level Sensor Signal - Primary | A | 0.35 PU | 1589 | Fuel Level Sensor Signal - Primary |
| B | 0.5 GY | 2709 | 5-Volt Reference | B | 0.35 GY | 2709 | 5-Volt Reference |
| C | 0.5 D-GN | 890 | Fuel Tank Pressure Sensor Signal | C | 0.35 D-GN | 890 | Fuel Tank Pressure Sensor Signal |
| D | 0.5 WH | 1310 | EVAP Canister Vent Solenoid Control | D | 0.5 WH | 1310 | EVAP Canister Vent Solenoid Control |
| E | 0.5 TN/BK | 6049 | Low Reference | E | 0.35 TN/BK | 6049 | Low Reference |
| F | 0.5 TN | 1669 | HO2S Low Signal Bank 1 Sensor 2 | F | 0.5 TN/WH | 1669 | HO2S Low Signal Bank 1 Sensor 2 |
| G | 0.5 PU | 1668 | HO2S High Signal Bank 1 Sensor 2 | G | 0.5 PU/WH | 1668 | HO2S High Signal Bank 1 Sensor 2 |
| H | 0.5 GY/WH | 3122 | HO2S Heater Low Control Bank 1 Sensor 2 | H | 0.5 GY/WH | 3122 | HO2S Heater Low Control Bank 1 Sensor 2 |
| J | 0.5 PK | 1539 | Ignition Voltage | J | 0.5 PK/BK | 1539 | Ignition Voltage |
| K | 0.5 D-GN/WH | 817 | Vehicle Speed Signal (VSS) | K | 0.35 D-GN/WH | 817 | Vehicle Speed Signal (VSS) |
| L | 0.5 D-GN/WH | 465 | Fuel Pump Relay Control - Primary | L | 0.35 D-GN/WH | 465 | Fuel Pump Relay Control - Primary |
| M | - | - | Not Used | M | - | - | Not Used |