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 MANUALSCHEVROLET2006CAB & CHASSIS SILVERADO 2D PICKUP, 8.1 G, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALOEM CONNECTOR END VIEWSENGINE ELECTRICAL CONNECTOR END VIEWSSTARTER/GENERATOR CONTROL MODULE CONNECTOR END VIEW SGCM
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, Automatic
Starter/Generator Control Module Connector End View SGCM
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION Starter/Generator Control Module Connector End View SGCM
Starter/Generator Control Module SGCM - C1 (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A-B | - | - | Not Used |
Starter/Generator Control Module SGCM - C2 (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 50 | Ground |
| B | RD | 102 | Battery Positive Voltage |
Starter/Generator Control Module SGCM - C3 (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | RD | 5084 | High Voltage Battery (+) |
| B | BK | 5691 | High Voltage Battery (-) |
Starter/Generator Control Module SGCM - C4 (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | TN/WH | 2500 | High Speed GMLAN Serial Data (+) |
| 2 | TN/WH | 2500 | High Speed GMLAN Serial Data (+) |
| 3-6 | - | - | Not Used |
| 7 | YE/BK | 625 | Starter Enable Relay Control |
| 8 | PK | 1020 | Ignition 0 Voltage |
| 9 | L-BU/BK | 647 | Medium Resolution Engine Speed Signal |
| 10-11 | - | - | Not Used |
| 12 | WH | 2368 | Cooling Fan Clutch Supply Voltage |
| 13 | TN | 2501 | High Speed GMLAN Serial Data (-) |
| 14 | TN | 2501 | High Speed GMLAN Serial Data (-) |
| 15-20 | - | - | Not Used |
| 21 | WH | 121 | Engine Speed Signal |
| 22-23 | - | - | Not Used |
| 24 | PK | 2014 | Coolant Pump Relay Control |
Starter/Generator Control Module SGCM - C5 (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | WH | 5685 | APO Neutral |
| C | OG | 5595 | High Voltage Interlock Loop Signal - 2 |
| D | BK | 50 | Ground |
| E | PU | 5087 | High Voltage Interlock Loop Signal - 1 |
| F | D-GN | 5686 | Ground |
| G | BK | 5683 | APO Phase A |
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.