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.
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HOMESERVICE MANUALSCHEVROLET2020EXPRESS 2500 LS, 2.8L ENG VIN 1REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (Q77H-X92)COMPONENT CONNECTOR END VIEWSX88 TRAILER CONNECTOR (NE7)
2020 Chevrolet Express 2500 LS, 2.8L Eng VIN 1
X88 Trailer Connector (NE7)
2020 Chevrolet Express 2500 LS, 2.8L Eng VIN 1SECTION X88 Trailer Connector (NE7)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-3 (GY) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| II | Not Required | J-35616-41 (BU) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| A | 1 | L-GN/ | 1624 | Trailer Backup Lamp Control | I | - |
| B | 1 | BN | 2109 | Trailer Park Lamp Control | I | - |
| C | 1 | YE | 1618 | Left Rear Trailer Stop/Turn Lamp Control | I | - |
| D | - | - | - | Not Occupied | - | - |
| E | 3 | D-BU/ | 47 | Trailer Auxiliary Control | II | - |
| F | 1 | D-GN/ | 1619 | Right Rear Trailer Stop/Turn Lamp Control | I | - |
| G | 3 | RD/BK | 742 | Primary Fused Battery Positive Voltage 7 | II | - |
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.