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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2697 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 2 OF 5)HEADLAMP LEVELING MODULE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Headlamp Leveling Module
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Headlamp Leveling Module
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Headlamp Leveling Module
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 GY/BK | 5183 | Right Headlamp Leveling Motor (4) (TR7) |
| 2 | 0.35 OG/WH | 5182 | Right Headlamp Leveling Motor (3) (TR7) |
| 3 | 0.35 PK/BK | 5181 | Right Headlamp Leveling Motor (2) (TR7) |
| 4 | 0.35 BN/WH | 5180 | Right Headlamp Leveling Motor (1) (TR7) |
| 5 | 0.35 L-GN/BK | 5753 | Right Headlamp Leveling Motor Low Reference (TR7) |
| 6 | 0.35 YE | 5727 | High Speed GMLAN Serial Data Wake Up (TT7/ TT8+K59) |
| 0.35 YE | 5727 | High Speed GMLAN Serial Data Wake Up (TR7-K59) | |
| 7 | 0.35 OG/BK | 1208 | Left Rear Strut Position Sensor Voltage Reference (TR7-F55) |
| 8 | 0.35 L-GN/WH | 1210 | Left Rear Strut Position Sensor Signal (TR7-F55) |
| 9 | 0.35 L-GN/BK | 1209 | Left Rear Strut Position Sensor Low Reference (TR7-F55) |
| 10 | 0.35 TN | 2501 | High Speed GMLAN Serial Data (-) (1) (TR7) |
| 11 | 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) (TR7) |
| 12 | 0.35 RD/WH | 340 | Battery Positive Voltage (TR7) |
| 13 | 0.35 GY | 5179 | Left Headlamp Leveling Motor (4) (TR7) |
| 14 | 0.35 PU/WH | 5178 | Left Headlamp Leveling Motor (3) (TR7) |
| 15 | 0.35 OG/BK | 5177 | Left Headlamp Leveling Motor (2) (TR7) |
| 16 | 0.35 YE/BK | 5176 | Left Headlamp Leveling Motor (1) (TR7) |
| 17 | 0.35 L-BU/BK | 5752 | Left Headlamp Leveling Motor Low Reference (TR7) |
| 18 | - | - | Not Used |
| 19 | 0.35 PU/WH | 1205 | Left Front Strut Position Sensor Voltage Reference (TR7-F55) |
| 20 | 0.35 TN/WH | 1207 | Left Front Strut Position Sensor Signal (TR7-K59) |
| 21 | 0.35 L-BU/BK | 1206 | Left Front Strut Position Sensor Low Reference (TR7-K59) |
| 22 | 0.35 TN | 2501 | High Speed GMLAN Serial Data (-) (1) (TR7-F55) |
| 0.35 TN | 2501 | High Speed GMLAN Serial Data (-) (1) (TT7/TT8+K59) | |
| 23 | 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) (TR7-F55) |
| 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) (TT7/TT8+K59) | |
| 24 | 1 BK | 250 | Ground (TR7) |
Connector Part Information
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Terminal Part Information
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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.