How To Install 4 and 7-Way On 2005 Ford F-150 with Factory 4-Way

Question

Question:

Hello. I have a 2005 ford f150 that currently has a four pin trailer connector from the factory No reciever on truck just bumper ball and pig tail in the glovebox to plug a brake controller into the truck harness. I now have a reciever hitch installed and would like direct plug in 7 blade w/ 4 pin pigtail. What are my options? Thanks.

asked by: Alan

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Expert Reply:

The best option to convert the 4-way on a 2005 Ford F-150 to a 4 and 7-way trailer connector is with the Adapter 4-Pole to 7-Pole and 4-Pole part # 37185. The two 4-ways will plug into one another and then you will need to splice into a few wires which is explained below. There won't be a fully plug-in-play option but this one will be close.

expert reply by: Conner L

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Answer 1

You would not be able to charge your battery through the wiring on your 4-way trailer connector. Since your truck has a 7-way connector, you could maintain the power to the battery but not charge it. To begin, you would need to cut off your 4-way…

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Answer 2

It sounds like you're asking about the 12V circuit on the 7-way trailer connector on the rear of your 2003 Chevrolet Trailblazer. Some vehicles will always have power and some others will not. We don't have this specific information for your…

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Answer 3

The auxiliary 12-volt wire that runs from the 7-way connection to 7-way trailer plug will supply 12-volt power from the vehicle to the trailer. The 12 -volt power will allow interior or exterior lights to run that are not wired in to the…

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Answer 4

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 5

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 6

Here is the wiring diagram from SeeLevel for the Monitor #SE94VR. I hope this helps you clear things up and get it working.

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Answer 7

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 8

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

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Answer 9

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 OEM 5th…

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Answer 10

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

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How To Install 4 and 7-Way On 2005 Ford F-150 with Factory 4-Way

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