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HOMESERVICE MANUALSCHEVROLET2005CHEVY EXPRESS G3500, VAN PASSENGER, LQ4REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWSFUEL INJECTION CONTROL MODULE CONNECTOR END VIEWSCLEAR 36-WAY CONNECTOR END VIEW
2005 Chevrolet Chevy Express G3500, Van Passenger, LQ4

Clear 36-Way Connector End View

2005 Chevrolet Chevy Express G3500, Van Passenger, LQ4SECTION Clear 36-Way Connector End View
Clear 36-Way Connector End View

GM651636Courtesy of GENERAL MOTORS CORP.
Connector (White) Part Information
  • Connector - 12110487
  • Seal - 12110489
  • Strain Relief - 12110490
  • Terminal - 12084912
  • TPA (CL) - 12110488
Pin Wire Color Circuit No. Function
1 D-BU 5622 Fuel Rail Pressure (FRP) Sensor Signal
2 GY 474 5-Volt Reference
3 D-BU/WH 878 Fuel Injector 8 Signal
4 OR/BK 877 Fuel Injector 7 Signal
5 YE/BK 846 Fuel Injector 6 Signal
6 TN/WH 845 Fuel Injector 5 Signal
7 L-BU/BK 844 Fuel Injector 4 Signal
8 PK/BK 1746 Fuel Injector 3 Signal
9 L-GN/BK 1745 Fuel Injector 2 Signal
10 TN 1744 Fuel Injector 1 Signal
11 BK/WH 1551 Ground
12 OR 5623 AF Fuel Injector 1 Control
13 PU 5625 AF Fuel Injector 3 Control
14 L-GN 5627 AF Fuel Injector 5 Control
15 D-BU 5629 AF Fuel Injector 7 Control
16 YE/BK 5694 Fuel Rail Pressure (FRP) Sensor PWM Output
17 PK/BK 5605 Fuel Injector Control Module (FICM) Status
18 PK 1020 Ignition Positive Voltage
19 YE 5629 Fuel Rail Temperature (FRT) Sensor Signal
20 TN 476 Ground
21 D-BU/WH 878 Gasoline Fuel Injector 8 Control
22 OR/BK 877 Gasoline Fuel Injector 7 Control
23 YE/BK 846 Gasoline Fuel Injector 6 Control
24 TN/WH 845 Gasoline Fuel Injector 5 Control
25 L-BU/BK 844 Gasoline Fuel Injector 4 Control
26 PK/BK 1746 Gasoline Fuel Injector 3 Control
27 L-GN/BK 1745 Gasoline Fuel Injector 2 Control
28 TN 1744 Gasoline Fuel Injector 1 Control
29 BK/WH 1551 Ground
30 YE 5624 AF Fuel Injector 2 Control
31 BN 5626 AF Fuel Injector 4 Control
32 L-BU 5628 AF Fuel Injector 6 Control
33 D-GN 5630 AF Fuel Injector 8 Control
34 D-BU/WH 5695 Fuel Rail Temperature (FRT) Sensor PWM Output
35 OR 2531 Alternative Fuel (AF) Enable
36 - - Not Used
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.