Installing Tow/Trailer Hitch Wiring Harness - Page 2 - Ford Transit USA Forum
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post #11 of 161 (permalink) Old 04-30-2015, 11:44:AM
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Originally Posted by PeterR View Post
...Adding after-market hitches and trailer tow wiring into a rolling computer may be more difficult than everyone assumes...
What he said. The N in CAN is for network. Your electrical gremlins are now all politicians.
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post #12 of 161 (permalink) Old 04-30-2015, 12:11:PM Thread Starter
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I looked under our vehicle. Our vehicle has the CK4T-14406-RZF. It has one extra letter "F". Eitherway, our bad luck, no conectors.

I am planning to bring the vehicle to the Ford dealer for the tow/trailer harness installation tomorrow. I will update when I have any new info.
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post #13 of 161 (permalink) Old 04-30-2015, 03:34:PM
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Originally Posted by alarmist View Post
Here you go:

http://accessories.ford.com/exterior...ics-11107.html

The BEMM provides more detail:

"NOTE: Extended wheelbase vehicles with less
Trailer Tow option and have Fuel Harness
CK4T-14406-RZ will not have the connector for
Trailer Tow Socket Jumber [sic]."
What do we suppose that fuel harness is? I have no current plans to add a tow setup, but, it would be good to know my prospects, if the desire arises.

Transit 250 Cargo MR LWB 3.5L w/3.31

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post #14 of 161 (permalink) Old 04-30-2015, 04:20:PM
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Originally Posted by kenjent View Post
I looked under our vehicle. Our vehicle has the CK4T-14406-RZF. It has one extra letter "F". Eitherway, our bad luck, no conectors.

I am planning to bring the vehicle to the Ford dealer for the tow/trailer harness installation tomorrow. I will update when I have any new info.
Maybe you're in luck and the F means the opposite of what vulgar individuals such as myself would interpret.
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post #15 of 161 (permalink) Old 04-30-2015, 05:36:PM
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Maybe you're in luck and the F means the opposite of what vulgar individuals such as myself would interpret.
You mean kenjent is F'd?

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.
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post #16 of 161 (permalink) Old 04-30-2015, 06:14:PM
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You mean kenjent is F'd?
That's vulgar.
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post #17 of 161 (permalink) Old 04-30-2015, 06:54:PM Thread Starter
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I guess you can say that PeterR .
I hope for better news tomorrow when I bring my vehicle to the dealer for this install and some warranty work. I am not holding my breath though.
I might have to abandon this Ford tow/trailer wiring install and go with one of the cheaper after market trailer wiring harness.
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post #18 of 161 (permalink) Old 04-30-2015, 08:19:PM
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Sorry kenjent, the door was open so wide I kinda fell through . . .


2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.
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post #19 of 161 (permalink) Old 05-04-2015, 03:06:PM Thread Starter
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I dropped the vehicle off at dealer last Friday for the trailer harness installation. As expected, they can not install this wiring kit because of the missing connectors in the 14406 main harness. I was disappointed but did expect it.

While I was at the dealer, I spoke to the part counter lady about my problem with the wiring harness. She was able to provide me with some wiring diagram of the 2014 Transit tow/trailer circuit. She mentioned that the 2015 Transit wiring diagram is not available so she gave me the 2014. The wiring diagram did not match our vehicle exactly, but I was able to decipher the wires of the system. With the understanding of the factory wiring diagram and some of the websites for aftermarket tow/trailer equipment (etrailer, Hopkins), I was able come up with the need wiring to install this Ford tow/trailer electrics kit (FK4Z15A416A). I tested the tow/trailer 4-way connector with a LED 4-way flat tester. The LT/RT/Brake on the LED tester lights up as expected. I was not able to test the 7-way connector because I do not have the trailer brake controller install.

I have to make a 6-wires jumper harness between the new trailer module jumper connector (under the van at the driver seat location) and the tow socket jumper (under the van at the right side rear of vehicle near the rear axle). One of the six wire in my jumper harness will go all the way to the engine compartment to pick up the reverse signal per SVE Bulletin Q-227R1. The harness will be approximately 10 feet long except for the one reverse wire that will be 16 feet long. My only problem now is find the mating connectors to the kit jumper harnesses. Otherwise I will have to cut the connectors off the kit jumper harnesses and splice the wires together.

I really want to find the mating connectors but do not know where to start. Would someone have the information of how and where to get these mating connectors?
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post #20 of 161 (permalink) Old 05-04-2015, 03:12:PM
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Originally Posted by kenjent View Post
. . .
While I was at the dealer, I spoke to the part counter lady about my problem with the wiring harness. She was able to provide me with some wiring diagram of the 2014 Transit tow/trailer circuit. She mentioned that the 2015 Transit wiring diagram is not available so she gave me the 2014.
There was no full size 2014 Transit manufactured in the United States, so it is unclear what the counter lady was referring to IMO. Perhaps you got information relating to a Transit made in Europe in 2014?


You also asked: "Would someone have the information of how and where to get these mating connectors?"

The answer to your last question is to go to a Ford dealer, again in my opinion.

[and yes, I realize this solution is circular . . . ]

2015 XLT 150 Wagon, 3.5EB/3.31LS, 130" WB, low roof, 8-passenger, full trailer tow incl. brake controller, ordered 12/14, delivered 4/20.
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