C107 Chevrolet Silverado 3500

C107 Main Engine Harness to Engine Jumper Harness Terminal Identification (LLY/LB7) Connector Part Information 15336418 38-Way F GT 150/280 Series, Sealed (BLK) Connector Part Information 15317380 38-Way M GT 150/280 Series, Sealed (BLK) Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function A1 PNK 239 Ignition 1 Voltage A1 PNK 239 Ignition 1 Voltage A2 YEL 505 Glow Plug Relay Control A2 YEL 505 Glow Plug Relay Control A3 LT BLU 506 Glow Plug Signal (LB7) A3 LT BLU 506 Glow Plug Signal (LB7) A4 PNK 339 Ignition 1 Voltage A4 PNK 339 Ignition 1 Voltage A5 PNK 339 Ignition 1 Voltage A5 PNK 339 Ignition 1 Voltage A6 BRN 1174 Oil Level Switch Signal A6 BRN 1174 Oil Level Switch Signal A7 YEL 410 ECT Sensor Signal A7 YEL 410 ECT Sensor Signal A8 GRY 720 Low Reference A8 GRY 720 Low Reference B1 LT GRN/ BLK 1745 Fuel Injector 2 Control B1 LT GRN/ BLK 1745 Fuel Injector 2 Control B2 RED/BLK 877 Fuel Injector 7 Control B2 RED/BLK 877 Fuel Injector 7 Control B3 RED 631 5-Volt Reference B3 RED 631 5-Volt Reference B4 BRN/WHT 633 CMP Sensor Signal B4 BRN/WHT 633 CMP Sensor Signal B5 PNK/BLK 632 Low Reference B5 PNK/BLK 632 Low Reference B6-B7 - - Not Used B6-B7 - - Not Used B8 YEL/BLK 1868 Low Reference B8 YEL/BLK 1868 Low Reference B9 DK BLU/ WHT 1869 CKP Sensor Signal B9 DK BLU/ WHT 1869 CKP Sensor Signal B10 LT GRN 1867 12-Volt Reference B10 LT GRN 1867 12-Volt Reference B11 YEL /BLK 846 Fuel Injector 6 Control B11 YEL /BLK 846 Fuel Injector 6 Control B12 PNK/BLK 1746 Fuel Injector 3 Control B12 PNK/BLK 1746 Fuel Injector 3 Control C1 BLK 1744 Fuel Injector 1 Control C1 BLK 1744 Fuel Injector 1 Control C2 BLK/WHT 845 Fuel Injector 5 Control C2 BLK/WHT 845 Fuel Injector 5 Control C3 TAN 2917 5-Volt Reference C3 TAN 2917 5-Volt Reference C4 ORN/BLK 2919 Low Reference C4 ORN/BLK 2919 Low Reference C5 YEL 2918 FRP Sensor Signal C5 YEL 2918 FRP Sensor Signal C6 PNK 239 Ignition 1 Voltage C6 PNK 239 Ignition 1 Voltage C7 - - Not Used C7 - - Not Used C8 LT BLU 2832 Engine Speed Signal C8 LT BLU 2832 Engine Speed Signal C9 YEL 2834 Fuel Pressure Regulator Solenoid Control C9 YEL 2834 Fuel Pressure Regulator Solenoid Control C10 PPL/WHT 2530 Fuel Pressure Regulator Solenoid Supply Voltage C10 PPL/WHT 2530 Fuel Pressure Regulator Solenoid Supply Voltage C11 DK BLU/ WHT 878 Fuel Injector 8 Control C11 DK BLU/ WHT 878 Fuel Injector 8 Control C12 LT BLU/ BLK 844 Fuel Injector 4 Control C12 LT BLU/ BLK 844 Fuel Injector 4 Control D1 YEL 1578 Fuel Temperature Signal D1 YEL 1578 Fuel Temperature Signal D2 BRN 718 Low Reference D2 BRN 718 Low Reference D3 YEL/BLK 508 Water In Fuel Indicator Control D3 YEL/BLK 508 Water In Fuel Indicator Control D4-D5 - - Unavailable D4-D5 - - Unavailable D6 TAN/WHT 332 Oil Pressure Sensor Signal D6 TAN/WHT 332 Oil Pressure Sensor Signal D7 BLK 2755 Low Reference D7 BLK 2755 Low Reference D8 GRY 2705 5-Volt Reference D8 GRY 2705 5-Volt Reference

Scheme 135

Scheme 136