Replacement Factory Trailer Wiring Harness for 2003 Ford F-150

Question

Question:

I HAVE A 2003 F150 LARIAT. IT HAS NOW A 4 PIN AND 7 PIN FACTORY PLUG AND HARNESS ON IT. IT NEEDS TO BE REPLACED, WHAT IS RECOMMENDED

asked by: William W

0

Expert Reply:

If you just need the connector itself then part # HM40975 will work on your 2003 Ford F-150's wiring harness. It's both a 4-way and 7-way. If you need the entire wiring harness instead use part # 74682 which plugs right in to the truck's wiring.

expert reply by: Charles S

0

Answer 1

The troubleshooting guide for the (discontinued) Draw-Tite Activator II 5500 is actually the same as the Draw-Tite Activator IV #5504. The instructions (with the troubleshooting guide) for the Activator IV are linked for you to reference but I have…

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Answer 2

The part you referenced, 13A576-GB, is a Ford part. What you can do is use #118242 and add #HM40950 which is a 4- and 7-Way in place of the 7-Way that comes with #118242. I have linked videos on both parts for you. The Ford part is twice as much and…

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Answer 3

If the factory plug you are talking about on your 2003 Ford F-150 looks like the one in the picture I have included then #30955 will fit. It is designed to fit the 1997 to current Ford trucks equipped with the factory socket in the picture. If your…

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Answer 4

Lets start with the wiring connector for your 2003 Ford F-150. With a look under your truck we can determine if the 4-Way flat on your truck is a factory plug or not. If the 4-Way connector is a factory connector, the wiring harness will be connected…

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Answer 5

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 6

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 7

Hello Brian, we do offer some parts that will work for your application and will be very similar to the BPH1206EPR kit that you mentioned. Like you said, the 12 x 2-1/2 drums are pretty uncommon, so I would have to recommend going instead with the…

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Answer 8

The Curt Trailer Hitch Receiver #C14012 you looked at fits the cargo van and passenger wagon models of the 2020 Ford Transit T350. The extended high roof won't impact fitment so you will be able to use this hitch on your T350. This is a Class IV…

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Answer 9

First you will need to add the Curt Trailer Hitch Receiver #C78VV to your 2024 GMC Canyon. Do note this will replace a factory crossmember that is used since your Canyon did not come with the factory tow package. Next the Hopkins Multi-Tow 7-Way…

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Answer 10

The part #HM40975 is designed to fit the round 7-way connector that is found on several vehicles. To install it would require your vehicle to have this round connector. (see picture) If instead you needed a way to hardwire in a 7-way to a vehicle you…

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Answer 11

It does; if you take a closer look at the photo I added below, you can see the hitch for your 2023 Chevy Colorado does indeed have a hidden crosstube, so only the receiver is going to be shown. I verified for you the correct part number for your…

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Answer 12

Yes, the Counteract Tire Balancing Beads #CA45FR will work perfectly with your TPMS, but you will need to remove the external sensor prior to injecting the beads. The only time that using these balancing beads with a TPMS gets tricky is when the TPMS…

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Replacement Factory Trailer Wiring Harness for 2003 Ford F-150

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