Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G3500, VAN CARGO, 4.8 VREPAIR AND DIAGNOSISELECTRICALINSTRUMENT PANEL SYSTEM DISPLAYS, GAUGES AND CONSOLECOMPONENT LOCATORINSTRUMENT PANEL, GAGES, AND CONSOLE CONNECTORS
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V
Instrument Panel, Gages, and Console Connectors
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Instrument Panel, Gages, and Console Connectors
Chime Module (UL5)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | OG | 1044 | Class 2 Serial Data |
| A2-A11 | - | - | Not Used |
| A12 | BK/WH | 351 | Ground |
| B1 | RD/WH | 340 | Battery Positive Voltage |
| B2-B12 | - | - | Not Used |
Engine Oil Level Switch (4.8L/5.3L/6.0L)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 1174 | Oil Level Switch Signal |
| B | BK/WH | 1551 | Ground |
Engine Oil Level Switch (6.6L)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 1174 | Oil Level Switch Signal |
| B | L-GN/WH | IC69 | Ground |
Engine Oil Pressure (EOP) Sensor (Diesel)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 2755 | Low Reference |
| 2 | TN/WH | 331 | Oil Pressure Sensor Signal |
| 3 | GY | 2705 | 5-Volt Reference 2 |
Engine Oil Pressure (EOP) Sensor (Gas)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 2755 | Low Reference |
| 2 | GY | 2705 | 5-Volt Reference A |
| 3 | TN/WH | 331 | Oil Pressure Sensor Signal |
Fuel Level Sensor (Diesel)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | PU | 1589 | Fuel Level Sensor Signal |
| C | TN | 2759 | Low Reference |
| D | - | - | Not Used |
Fuel Pump Sender Assembly (Gas)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 150 | Ground |
| B | PU | 1589 | Fuel Level Sensor Signal |
| C | TN | 2759 | Low Reference |
| D | GY | 120 | Fuel Pump Supply Voltage |
Ignition Key Alarm Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 80 | Key In Ignition Switch Signal |
| B | BK | 350 | Ground |
Instrument Panel Cluster (IPC)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | BN/WH | 419 | MIL Control |
| A2 | D-BU/WH | 1315 | Right Front Turn Signal Lamp Supply Voltage |
| A3 | YE | 1491 | Backlight Lamps Control |
| A4 | TN/WH | 33 | Brake Warning Indicator Control (UJ1) |
| A5-A8 | - | - | Not Used |
| A9 | L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage |
| A10-A11 | - | - | Not Used |
| B1 | - | - | Not Used |
| B2 | RD/WH | 2340 | Battery Positive Voltage |
| B3 | BK | 350 | Ground |
| B4 | BK/WH | 351 | Ground |
| B5 | PK | 739 | Ignition 1 Voltage |
| B6-B8 | - | - | Not Used |
| B9 | GY | 1036 | Class 2 Serial Data |
| B10-B11 | - | - | Not Used |
Water in Fuel Sensor (Diesel)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 508 | Water in Fuel Indicator Control |
| 2 | BK | 6863 | Low Reference |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.