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Wiring Harness for 2003 Ford Windstar  

Updated 01/27/2026 | Published 08/19/2024

Question:

I have a wiring kit for a 2003 windstar, but connectors are different. Says fit built before 12/2002. This one is Jan of 2003. Its the only kit that comes up to fit. I have 40615

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Expert Reply:

Hello Keith; since it was built after December 2002 there are no custom wiring harnesses available. The only option is to use a universal wiring harness like the # C59236 you were looking at. This uses quick splices to connect to your vehicle wiring and still uses a powered converter with a hot lead that runs directly to your vehicle battery.

expert reply by:
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Robin H
Robin H. profile picture
Etrailer Expert

Robin H.

1/27/2026

Hey Keith, how did things go with the universal wiring harness on your Windstar? Sharing what worked with the quick splices and powered converter could help others with the same model year.

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