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 MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWS - C100 - C370CONNECTOR VIEWSCONNECTOR END VIEW (C251) - DATA LINK CONNECTOR (DLC)
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, RWD
Connector End View (C251) - DATA LINK CONNECTOR (DLC)
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, RWDSECTION Connector End View (C251) - DATA LINK CONNECTOR (DLC)
| Connector: | Description | Color | Harness | Base Part # | Service Pigtail | |
|---|---|---|---|---|---|---|
| C251 | DATA LINK CONNECTOR (DLC) | PIA | part# N/A | Not Available | ||
| Terminal Part Number | Service Part Number | Size |
|---|---|---|
| Pin | Circuit | Gauge | Circuit Function | Qualifier | Terminal Part Number | |||
|---|---|---|---|---|---|---|---|---|
| 1 | * | * | Not Used | N/A | ||||
| 2 | * | * | Not Used | N/A | ||||
| 3 | VDB25 (*) | * | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED 2 (UPPER) HIGH | N/A | ||||
| 4 | GD214 (*) | * | GROUND - INSTRUMENT PANEL STRUCTURE | N/A | ||||
| 5 | GD215 (*) | * | GROUND - INSTRUMENT PANEL STRUCTURE # 2ND POINT | N/A | ||||
| 6 | VDB04 (*) | * | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED HIGH | N/A | ||||
| 7 | * | * | Not Used | N/A | ||||
| 8 | * | * | Not Used | N/A | ||||
| 9 | * | * | Not Used | N/A | ||||
| 10 | * | * | Not Used | N/A | ||||
| 11 | VDB26 (*) | * | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED 2 (UPPER) LOW | N/A | ||||
| 12 | * | * | Not Used | N/A | ||||
| 13 | * | * | Not Used | N/A | ||||
| 14 | VDB05 (*) | * | CONNECTOR - DIAGNOSTIC # CAN BUS HIGH SPEED LOW | N/A | ||||
| 15 | * | * | Not Used | N/A | ||||
| 16 | SBP07 (*) | * | FUSE - 7 OR CIRCUIT BREAKER | N/A | ||||
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.