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 MANUALSFORD2018EXPEDITION MAX LIMITED, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWS C903 - C2269CONNECTOR VIEWSCONNECTOR END VIEW (C2129) - HEADLAMP CONTROL MODULE (HCM)
2018 Ford Expedition MAX Limited, 4WD
Connector End View (C2129) - HEADLAMP CONTROL MODULE (HCM)
2018 Ford Expedition MAX Limited, 4WDSECTION Connector End View (C2129) - HEADLAMP CONTROL MODULE (HCM)
| Connector: | Description | Color | Harness | Base Part # | Service Pigtail | |
|---|---|---|---|---|---|---|
| C2129 | HEADLAMP CONTROL MODULE (HCM) | 14401 | part# N/A | See Below | ||
| Terminal Part Number | Service Part Number | Size |
|---|---|---|
| 9U5T-14474-LA | DU2Z-14474-BA | 0.64 |
| 97BG-14474-BAA | DU2Z-14474-EA | 2.8 |
| BU5T-14474-UA | DU2Z-14474-DA | 1.5 |
| Pin | Circuit | Gauge | Circuit Function | Qualifier | Terminal Part Number | |||
|---|---|---|---|---|---|---|---|---|
| 1 | * | * | Not Used | N/A | ||||
| 2 | * | * | Not Used | N/A | ||||
| 3 | RCD27 (WH-GN) | 22 | CTRL MOD. - SUSPENSION # VERTICAL POSITION (HEIGHT) SENSOR FRONT LEFT - | 9U5T-14474-LA | ||||
| 4 | GD214 (BK-BU) | 22 | GROUND - INSTRUMENT PANEL STRUCTURE | 9U5T-14474-LA | ||||
| 5 | VCD12 (VT-WH) | 22 | SENSOR - SUSPENSION VERTICAL POSITION (HEIGHT) REAR LEFT | 9U5T-14474-LA | ||||
| 6 | * | * | Not Used | N/A | ||||
| 7 | VDB05 (WH) | 22 | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED LOW | 9U5T-14474-LA | ||||
| 8 | LCD27 (YE-GY) | 22 | CTRL MOD. - SUSPENSION # VERTICAL POSITION (HEIGHT) SENSOR FRONT LEFT + | BU5T-14474-UA | ||||
| 9 | DLF32 (BK) | 20 | CTRL MOD. - MOTOR DYNAMIC BENDING LIGHT LEFT (LIN BUS) D | BU5T-14474-UA | ||||
| 10 | VLF32 (YE) | 22 | CTRL MOD. - MOTOR DYNAMIC BENDING LIGHT LEFT (LIN BUS) + | BU5T-14474-UA | ||||
| 11 | * | * | Not Used | N/A | ||||
| 12 | * | * | Not Used | N/A | ||||
| 13 | * | * | Not Used | N/A | ||||
| 14 | * | * | Not Used | N/A | ||||
| 15 | RCD25 (GY) | 22 | CTRL MOD. - SUSPENSION # VERTICAL POSITION (HEIGHT) SENSOR REAR LEFT - | 9U5T-14474-LA | ||||
| 16 | * | * | Not Used | N/A | ||||
| 17 | VCD10 (BN) | 22 | SENSOR - SUSPENSION VERTICAL POSITION (HEIGHT) FRONT LEFT | 9U5T-14474-LA | ||||
| 18 | * | * | Not Used | N/A | ||||
| 19 | VDB04 (WH-BU) | 22 | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED HIGH | 9U5T-14474-LA | ||||
| 20 | LCD25 (GN-WH) | 22 | CTRL MOD. - SUSPENSION # VERTICAL POSITION (HEIGHT) SENSOR REAR LEFT + | 9U5T-14474-LA | ||||
| 21 | VLF33 (BU) | 22 | CTRL MOD. - MOTOR DYNAMIC BENDING LIGHT RIGHT (LIN BUS) + | BU5T-14474-UA | ||||
| 22 | DLF33 (BK) | 20 | CTRL MOD. - MOTOR DYNAMIC BENDING LIGHT RIGHT (LIN BUS) D | BU5T-14474-UA | ||||
| 23 | * | * | Not Used | N/A | ||||
| 24 | CBP20 (YE-VT) | 22 | FUSE - OR CIRCUIT BREAKER | 97BG-14474-BAA | ||||
Available Pigtail Kits
Pigtail Kit Part Number WPT-1550
Service Part Number:
JU2Z-14S411-AJA
Gauge:
14 16 20
Pin material:
Tin & Silver
Cavities:
24
Vehicle Uses:
- Lamp - Front Cornering/ Turn
- Module - Driver Door
- Module - Headlamp Control
- Module - Heated Seat
- Module - Seat Memory
- Module - Upfitter Interface
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.