Recommended Wiring for 1998 Ford F-150 to Add 7-Way to Factory 4-Way Trailer Connection

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Question:

I'm really looking for an inexpensive trailer brake controller as it will only get used once. What would you recommend

asked by: Josh

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Expert Reply:

For your 1998 Ford F-150 Extended Cab with factory 4-way flat, you need the Tekonsha Ford Replacement OEM Tow Package Wiring Harness, 7-Way # 118242. This will give you the two additional relays needed as well as the wiring harness.

Then you will need a brake controller. I recommend the Tekonsha Prodigy P3 # 90195 as well as the wiring adapter # 3035-P. This will give you an easy to use proportional brake controller with easy to use presets as well as a nice LCD screen for diagnostics. The custom wiring connector is easy to install with the factory plug located beneath the dash, near the center console.

Let me know if you have further questions.

expert reply by: Jason S

0

Josh

12/1/2017

Does that harness come with a bracket to bolt to bumper?

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Jason S.

12/1/2017

The # 118242 harness does not come with the bracket for mounting. I recommend the mounting bracket # PK12711U for your connector. You may also be interested in the no drill bracket # C57202 if you want to connect it to your trailer hitch cross tube versus drilling into your bumper.

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Josh

12/1/2017

I'm really looking for an inexpensive trailer brake controller as it will only get used once. What would you recommend

Reply

Jason S.

12/1/2017

For a brake controller that will work for your one time use, I recommend either the Tekonsha Voyager # 39510 for a proportional controller (more natural for those that don't use controllers often) or the time delayed Tekonsha PowerTrac # 39523. The proportional controller will apply your trailer brakes at the same time and with the same pressure as you hit your brake pedal. The time delayed controller will apply the brakes at the determined preset pressure at the determined time delay you set it.

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Answer 1

Some 1998 Ford F-150 and F-250 Light Duty Trucks have a factory installed connector and some do not. This depends on if you have a factory tow package or not. To figure out if your vehicle has a tow package, you can contact your local Ford Dealer…

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Answer 2

Although the Tekonsha Prodigy P3 #90195 and Primus IQ #TK90160 electric brake controllers are very similar they do have some key differences as well. For one the P3 is designed to work with electric and electric over hydraulic brake systems. The…

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Answer 3

The accelerometer of the Prodigy P3 Brake Controller part #90195 is the sensor that can sense changes in inertia and tell the brake controller how much braking power to apply to the trailer's brakes. It can do this on multiple axis and that…

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Answer 4

Do you see the white plastic piece in the shape of a U in the picture that you sent me? You will need to pull that piece out away from the harness to release it from the rest of the 7-way. Check out the video I attached and skip to the 3:25 mark to…

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Answer 5

It could be a tow package fuse on the vehicle. Use the owners manual to find the locations of fuses/relays related to the tow package wiring to check them and replace as needed. If the issue is not a fuse or relay then you can test the vehicle side…

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Answer 6

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 7

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 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

There is only one difference between the Curt Trailer Hitch Receiver #C13176 and etrailer Trailer Hitch Receiver #e98909 that fit your 2020 Chevrolet Colorado, which is the finish. The Curt trailer hitch has a glossy black finish while the etrailer…

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Answer 10

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13…

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Answer 11

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion…

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Answer 12

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only…

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Recommended Wiring for 1998 Ford F-150 to Add 7-Way to Factory 4-Way Trailer Connection

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