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OEM Style 7-Way Replacement for 2003 Ford F-150  

Updated 03/17/2025 | Published 07/30/2024

Question:

I am looking for a 2003 ford f150 trailer wiring harness part number YL3Z-13A576-GB which I think is obsolete. Do you have anything that will match up with this harness? Thanks.

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Expert Reply:

Hey Chas, so we do have a similar solution to what you are looking for that provides a 7-way for your 2003 Ford F-150 with the Curt part # C55242. This would definitely work for you and is currently available.

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Jameson C
Jeffrey E. profile picture

Jeffrey E.

3/12/2025

Hey Jameson , I have that exact wire harness that Chas W was asking about . My question is ; what is the single GREEN WIRE near the tail light hook up ?? Infact I have 2 /7 pin harnesses Thanks Jeffrey E

JamesonC profile picture
Etrailer Expert

Jameson C.

3/12/2025

@JeffreyE Are you referring to the harness YL3Z-13A576-GB that Chas asked about or the Curt?
JeffreyE profile picture

Jeffrey E.

3/13/2025

@JamesonC the ford factory harness Thank you
JamesonC profile picture
Etrailer Expert

Jameson C.

3/13/2025

@JeffreyE I don't have a way to look that up. A Ford dealer could help with that or if you had a circuit tester like the # PTW2993 you could test the wires for voltage when different taillight functions are applied.
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