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 MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K20 - K85)COMPONENT CONNECTOR END VIEWSK34 GLOW PLUG CONTROL MODULE X2 (L5P)
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas
K34 Glow Plug Control Module X2 (L5P)
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION K34 Glow Plug Control Module X2 (L5P)
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13576372 | J-35616-4A (PU) | J-38125-556 | Not Available | Not Available | Not Available | Not Available |
| II | 13580008 | J-35616-16 (LT GN) | J-38125-21 | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | - | - | Not Occupied | - | - |
| 2 | 2 | GY/YE | 1584 | Glow Plug Control 4 | I | L5P |
| 3 | 2 | GY/GN | 1583 | Glow Plug Control 3 | I | L5P |
| 4 | 2 | GY/BN | 1582 | Glow Plug Control 2 | I | L5P |
| 5 | 2 | GY/BU | 1581 | Glow Plug Control 1 | I | L5P |
| 6 - 9 | - | - | - | Not Occupied | - | - |
| 10 | 2 | BK | 550 | Ground | I | L5P |
| 11 | - | - | - | Not Occupied | - | - |
| 12 | 2 | GY/WH | 1585 | Glow Plug Control 5 | I | L5P |
| 13 | 2 | GY/VT | 1586 | Glow Plug Control 6 | I | L5P |
| 14 | 2 | WH/BK | 1587 | Glow Plug Control 7 | I | L5P |
| 15 | 2 | WH/BU | 1588 | Glow Plug Control 8 | I | L5P |
| 16 | 0.5 | BK | C92 | Intake Air Heater Current Feedback Signal | II | L5P |
| 17 | 0.5 | BK | C93 | Intake Air Heater Digital Response Signal | II | L5P |
| 18 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | II | L5P |
| 19 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | II | L5P |
| 20 - 22 | - | - | - | Not Occupied | - | - |
| 23 | 0.5 | BK | D23 | Intake Air Heater Voltage Feedback Signal | II | L5P |
| 24 | 0.5 | BK | D24 | Intake Air Heater Temperature Signal | II | L5P |
| 25 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | II | L5P |
| 26 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | II | L5P |
| 27 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | BK | D30 | Intake Air Heater Switch On/Off Signal | II | L5P |
| 31 | 0.5 | BK | D31 | Intake Air Heater Heart Beat Signal | II | L5P |
| 32 | - | - | - | Not Occupied | - | - |
| 33 | 0.5 | VT/BK | 2139 | Run/Crank Ignition 1 Voltage | II | L5P |
| 34 - 36 | - | - | - | Not Occupied | - | - |
| 37 | 0.5 | BK | D37 | NOx Sensor 1 Control | II | L5P |
| 38 | 0.5 | BK | D38 | NOx Sensor 2 Control | II | L5P |
| 39 | - | - | - | Not Occupied | - | - |
| 40 | 0.5 | VT/YE | 443 | Accessory Ignition Voltage | II | L5P |
| 41 - 43 | - | - | - | Not Occupied | - | - |
RENDER: 1.0x
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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.