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 K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 727 (POWER STEERING SYSTEM)COMPONENT LOCATORPOWER STEERING SYSTEM CONNECTORS
2006 Chevrolet Suburban K2500, 6.0 U
Power Steering System Connectors
2006 Chevrolet Suburban K2500, 6.0 USECTION Power Steering System Connectors
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Brake Pedal Position Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 5688 | 5-Volt Reference |
| B | YE | 5066 | Brake Pedal Position Sensor Signal |
| C | GY/BK | 5689 | Low Reference |
Electro-Hydraulic Power Steering (EHPS) C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | RD | 5875 | EHPS 42-Volt Battery |
| B | BK | 5691 | EHPS 42-Volt Ground |
Electro-Hydraulic Power Steering (EHPS) C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | BK/WH | 1851 | Ground |
| 3-4 | - | - | Not Used |
| 5 | OG | 5688 | 5-Volt Reference |
| 6 | YE | 5066 | Brake Pedal Position Sensor Signal |
| 7 | GY/BK | 5689 | Low Reference |
| 8 | TN | 2501 | High Speed GMLAN Serial Data Bus- |
| 9 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus+ |
| 10 | BK/WH | 451 | Ground |
| 11 | PK | 1020 | Ignition 0 Voltage |
| 12 | - | - | Not Used |
| 13 | L-GN | 1763 | Steering Wheel Position Signal A |
| 14 | - | - | Not Used |
| 15 | L-BU | 1764 | Steering Wheel Position Signal B |
| 16-17 | - | - | Not Used |
| 18 | YE/BK | 5696 | EHPS Interlock Loop Signal |
| 19 | YE/BK | 5696 | EHPS Interlock Loop Signal |
| 20 | TN | 2501 | High Speed GMLAN Serial Data Bus- |
| 21 | TN/WH | 2500 | High Speed GMLAN Serial Data Bus+ |
| 22 | PK | 1839 | Ignition 1 Voltage |
| 23-24 | - | - | Not Used |
Steering Wheel Speed/Position Sensor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | GY | 1056 | 5-Volt Reference |
| 2 | BK | 1835 | Low Reference |
| 3 | L-GN | 1763 | Steering Wheel Position Sensor Phase A Signal |
| 4 | L-BU | 1764 | Steering Wheel Position Sensor Phase B Signal |
| 5 | WH | 1765 | Steering Wheel Position Marker Pulse Signal |
| 6 | L-BU | 1059 | Steering Wheel Position Sensor Signal |
| 7 | BN | 41 | Ignition 3 Voltage |
| 8 | BK/WH | 1851 | Ground |
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.