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 MANUALSCHEVROLET2006CAB & CHASSIS SILVERADO 2D PICKUP, 8.1 G, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALMOTORS, SWITCHES, RELAYSOEM CONNECTOR END VIEWSENGINE CONTROLS CONNECTOR END VIEWS (6.6L)GLOW PLUG CONTROL MODULE CONNECTOR END VIEW (GPCM) - C2
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, Automatic
Glow Plug Control Module Connector End View (GPCM) - C2
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION Glow Plug Control Module Connector End View (GPCM) - C2
Glow Plug Control Module (GPCM) - C2
Connector Part Information
|
|||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | RD/WH | HB13 | Glow Plug 3 Supply Voltage |
| 2 | WH/GN | HB12 | Glow Plug 2 Supply Voltage |
| 3 | RD/GN | HB11 | Glow Plug 1 Supply Voltage |
| 4 | WH/YE | HB14 | Glow Plug 4 Supply Voltage |
| 5 | - | - | Not Used |
| 6 | WH/D-BU | HB18 | Glow Plug 8 Supply Voltage |
| 7 | RD/L-GN | HB15 | Glow Plug 5 Supply Voltage |
| 8 | WH/L-GN | HB16 | Glow Plug 6 Supply Voltage |
| 9 | RD/D-BU | HB17 | Glow Plug 7 Supply Voltage |
| 10-25 | - | - | Not Used |
| 26 | YE | IC182 | IAH Command 2 |
| 27 | RD | IC185 | IAH Feedback Signal |
| 28 | BK | IC180 | IAH Temperature Signal |
| 29 | PK | IC183 | IAH Current Signal |
| 30 | TN | IC184 | IAH Voltage Signal |
| 31 | OG | IC181 | IAH Command 1 |
| 32-42 | - | - | Not Used |
| 43 | TN | 2501 | High Speed GMLAN Serial Data Bus - (M/T) |
| L-BU | 6106 | High Speed GMLAN Serial Data Bus - (A/T) | |
| 44 | TN/BK | 2501 | High Speed GMLAN Serial Data Bus + (M/T) |
| D-BU | 6105 | High Speed GMLAN Serial Data Bus + (A/T) | |
| 45-50 | - | - | Not Used |
| 51 | RD | HB03 | Ground |
| 52 | PK | 239 | Ignition 1 Voltage |
| 53 | WH | 1020 | Ignition 0 Voltage |
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.