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Standard Ignition FWH103 Diesel Exhaust Fluid (DEF) Pump Wiring Harness
Overview of Standard Ignition Diesel Exhaust Fluid Pump Wiring Harness
The Standard Ignition FWH103 Diesel Exhaust Fluid (DEF) Pump Wiring Harness is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. This wiring harness ensures reliable electrical connectivity for the DEF pump system, supporting emission control components critical to diesel engine performance.
- Connector Gender: Female and male
- Connector Quantity: 5 connectors
- Terminal Gender: Female and male
- Terminal Quantity: 42 terminals
- Terminal Type: Blade and pin terminals
Detailed Product Description
The FWH103 wiring harness from Standard Ignition is engineered to provide precise and durable connections for the Diesel Exhaust Fluid pump in Ford Super Duty trucks. Featuring a combination of female and male connectors and terminals, this harness accommodates five connectors and 42 terminals, utilizing blade and pin terminal types for secure and efficient electrical transmission. The design supports the complex wiring needs of emission control systems, ensuring proper DEF pump operation and compliance with emission standards.
Applications and Problem Resolution
This wiring harness is compatible with Ford F-250 Super Duty and F-350 Super Duty models, making it a direct replacement part for emission control system repairs or upgrades. It addresses several common issues, including:
- Intermittent or failed DEF pump operation due to wiring faults
- Corroded or damaged connectors causing electrical interruptions
- Loose or worn terminals leading to poor signal transmission
- Emission system fault codes triggered by wiring harness failures
- Electrical shorts or open circuits within the DEF pump wiring
Installation Notes and Tips
When installing the Standard Ignition FWH103 wiring harness, ensure the vehicle battery is disconnected to prevent electrical hazards. Carefully match the female and male connectors to their corresponding counterparts on the DEF pump and vehicle wiring. Verify that all 42 terminals are securely seated and that blade and pin terminals are properly aligned to avoid connection issues. Inspect the harness routing to prevent pinching or exposure to heat sources that could degrade the wiring over time.
Quality Assurance and Warranty
Standard Ignition manufactures the FWH103 wiring harness to meet OEM specifications for fit, form, and function. The product undergoes rigorous quality control to ensure durability and reliable performance in demanding diesel emission control applications. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in the product's longevity and reliability.
| Brand | Standard Ignition |
| Part Number | FWH103 |
| Connector Gender | Female + Male |
| Terminal Gender | Female + Male |
| Terminal Type | Blade & Pin |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | ||
| 2019 | Ford | F-350 Super Duty | Crew Cab Pickup | 6.7L | V8 | N/A | |
| 2019 | Ford | F-350 Super Duty | Extended Cab Pickup | 6.7L | V8 | N/A | |
| 2019 | Ford | F-350 Super Duty | Standard Cab Pickup | 6.7L | V8 | N/A | |
| 2018 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | ||
| 2018 | Ford | F-350 Super Duty | Crew Cab Pickup | 6.7L | V8 | N/A | |
| 2018 | Ford | F-350 Super Duty | Extended Cab Pickup | 6.7L | V8 | N/A | |
| 2018 | Ford | F-350 Super Duty | Standard Cab Pickup | 6.7L | V8 | N/A | |
| 2017 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | ||
| 2017 | Ford | F-350 Super Duty | Crew Cab Pickup | 6.7L | V8 | N/A | |
| 2017 | Ford | F-350 Super Duty | Extended Cab Pickup | 6.7L | V8 | N/A | |
| 2017 | Ford | F-350 Super Duty | Standard Cab Pickup | 6.7L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.