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 MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2009 (WIRING SYSTEMS AND POWER MANAGEMENT - INLINE HARNESS CONNECTOR END VIEWS - X100 THROUGH X275)INLINE HARNESS CONNECTOR END VIEWSX109 ENGINE HARNESS TO INSTRUMENT PANEL HARNESS (HP2, NQH OR NP0)
2006 Chevrolet Suburban C1500, 5.3 Z
X109 Engine Harness to Instrument Panel Harness (HP2, NQH or NP0)
2006 Chevrolet Suburban C1500, 5.3 ZSECTION X109 Engine Harness to Instrument Panel Harness (HP2, NQH or NP0)
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Connector Part Information
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Connector Part Information
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Terminal Part Information
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Terminal Part Information
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X109 Engine Harness to Instrument Panel Harness (HP2, NQH or NP0)
| Pin | Wire | Circuit | Function | Pin | Wire | Circuit | Function |
|---|---|---|---|---|---|---|---|
| A1 | 0.5 OG/WH | 7477 | 5-Volt Reference (NQH or NP0) | A1 | 0.5 OG/WH | 7477 | 5-Volt Reference (NQH or NP0) |
| A2 | 0.35 YE | 7474 | Transfer Case Encoder Signal (NQH or NP0) | A2 | 0.35 YE | 7474 | Transfer Case Encoder Signal (NQH or NP0) |
| A3 | - | - | Not Used | A3 | - | - | Not Used |
| A4 | 3 RD/BK | 1342 | Battery Positive Voltage (NQH or NP0) | A4 | 3 RD/BK | 1342 | Battery Positive Voltage (NQH or NP0) |
| A5 | 3 TN | 1552 | Motor Control A (NQH or NP0) | A5 | 3 TN | 1552 | Motor Control A (NQH or NP0) |
| A6 | - | - | Not Used | A6 | - | - | Not Used |
| A7 | 0.35 BN/WH | 419 | Malfunction Indicator Lamp (MIL) Control | A7 | 0.35 BN/WH | 419 | Malfunction Indicator Lamp (MIL) Control |
| A8 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + (except HP2) | A8 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + (except HP2) |
| B1 | - | - | Not Used | B1 | - | - | Not Used |
| B2 | 0.5 PK | 5076 | Current Sensor Control (10 Series) | B2 | 0.5 PK | 5076 | Current Sensor Control (10 Series) |
| B3 | 0.5 WH | 5075 | Current Sensor Signal (10 Series) | B3 | 0.5 WH | 5075 | Current Sensor Signal (10 Series) |
| B4 | 0.5 BN | 5077 | Low Reference (10 Series) | B4 | 0.5 BN | 5077 | Low Reference (10 Series) |
| B5 | 0.8 BK/WH | 451 | Ground | B5 | 0.5 BK/WH | 451 | Ground |
| B6 | 3 OG | 1553 | Motor Control B (NQH or NP0) | B6 | 3 OG | 1553 | Motor Control B (NQH or NP0) |
| B7 | 3 BK | 550 | Ground (NQH or NP0) | B7 | 3 BK | 550 | Ground (NQH or NP0) |
| B8 | 0.35 D-BU | 5985 | Accessory Wakeup Serial Data | B8 | 0.35 D-BU | 5985 | Accessory Wakeup Serial Data |
| B9 | 0.35 WH/L-GN | 7475 | 5-Volt Reference (NQH or NP0) | B9 | 0.35 WH/L-GN | 7475 | 5-Volt Reference (NQH or NP0) |
| B10 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - (except HP2) | B10 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - (except HP2) |
| B11 | 0.5 YE/BK | 7478 | Low Reference (NQH or NP0) | B11 | 0.5 YE/BK | 7478 | Low Reference (NQH or NP0) |
| B12 | 0.35 PU | 7476 | Incremental Encoder Sensor Return (NQH or NP0) | B12 | 0.35 PU | 7476 | Incremental Encoder Sensor Return (NQH or NP0) |
| C1 | 0.35 PU | 1272 | Low Reference | C1 | 0.35 PU | 1272 | Low Reference |
| C2 | 0.35 L-BU | 1162 | Accelerator Pedal Position (APP) Sensor 2 Signal | C2 | 0.35 L-BU | 1162 | Accelerator Pedal Position (APP) Sensor 2 Signal |
| C3 | 0.35 TN | 1274 | 5-Volt Reference | C3 | 0.35 TN | 1274 | 5-Volt Reference |
| C4 | 0.35 D-BU | 1161 | Accelerator Pedal Position (APP) Sensor 1 Signal | C4 | 0.35 D-BU | 1161 | Accelerator Pedal Position (APP) Sensor 1 Signal |
| C5 | 0.35 WH/BK | 1164 | 5-Volt Reference | C5 | 0.35 WH/BK | 1164 | 5-Volt Reference |
| C6 | 2 TN | 1569 | Lock Solenoid Control (NQH or NP0) | C6 | 2 TN | 1569 | Lock Solenoid Control (NQH or NP0) |
| C7 | 0.5 TN/WH | 1695 | Axle Switch Signal (NQH or NP0) | C7 | 0.5 TN/WH | 1695 | Axle Switch Signal (NQH or NP0) |
| C8 | 0.5 GY/BK | 1570 | Front Axle Actuator Control (NQH or NP0) | C8 | 0.35 GY/BK | 1570 | Front Axle Actuator Control (NQH or NP0) |
| C9 | - | - | Not Used | C9 | 0.35 GY/BK | 1694 | 4WD Low Signal |
| C10 | 0.35 D-BU/WH | 7473 | Transfer Case Encoder Signal (NQH or NP0) | C10 | 0.35 BN/WH | 7473 | Transfer Case Encoder Signal (NQH or NP0) |
| C11 | 0.5 L-GN | 7479 | Rotational Position Sensor Signal (NQH or NP0) | C11 | 0.5 L-GN | 7479 | Rotational Position Sensor Signal (NQH or NP0) |
| C12 | - | - | Not Used | C12 | - | - | Not Used |
| D1 | - | - | Not Used | D1 | 0.5 GY | 2903 | 5-Volt Reference |
| D2 | - | - | Not Used | D2 | 0.5 GY | 2904 | Signal |
| D3 | - | - | Not Used | D3 | 0.5 PK/WH | - | Not Used |
| D4-D5 | - | - | Not Available | D4-D5 | - | - | Not Available |
| D6 | - | - | Not Used | D6 | - | - | Not Used |
| D7 | 0.35 BN | 1271 | Low Reference | D7 | 0.35 BN | 1271 | Low Reference |
| D8 | - | - | Not Used | D8 | - | - | Not Used |
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.