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.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2016EXPRESS 2500 BASE, VAN CARGO, 6.6L ENG VIN LREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS & POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - Q8 TO X88 EXCEPT NE7COMPONENT CONNECTOR END VIEWSS74 TOW/HAUL MODE SWITCH
2016 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN L
S74 Tow/Haul Mode Switch
2016 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN LSECTION S74 Tow/Haul Mode Switch
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-35616-14 (GN) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| A | 0.5 | BK/WH | 351 | Signal Ground | I | - |
| B | 0.35 | BN/WH | 230 | Instrument Panel Lamp Dimming Control | I | - |
| C | - | - | - | Not Occupied | - | - |
| D | 0.35 | L-BU | 1788 | Traction Control Switch Signal 1 | I | - |
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.