Help Determining Wire Colors of Trailer Wiring for Installing New 7-Way

Question

Question:

I need to figure out the colors for my new vehicle connector

asked by: Gregory R

0

Expert Reply:

Most likely some of the colors of the wires in your picture would match up to the # H20046 your best option would be to take a jumper wire from a 12 volt vehicle battery and put voltage on each wire to determine it's function and then wire accordingly.

I attached a chart that has the wire color functions listed for this connector for you to check out as well.

expert reply by: Jameson C

0

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Answer 1

In order to help you troubleshoot this issue I need to ask you a few questions. On the trailer, do the turn signals operate properly, meaning do they flash at the expected rate? Were the LEDs installed recently as replacements or are they the…

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Answer 2

I attached a picture for you to use as a guide for wiring in your trailer's 4-way wiring to a 7-way socket connector. The yellow wire is the left turn/stop circuit that you have out of the connector.

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Answer 3

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 4

It sounds like the running light circuit of the trailer wiring on your Ford F250 is at fault. I would still verify this by using a circuit tester like our part #PTW2993 to check the running light pin of the trailer wiring connector. I would then…

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Answer 5

I don't know which truck or trailer isn't wired standard, but it sounds like with multiple trailers working on your vehicle that your friend's truck and trailer are wired wrong, but to fit each other. I've attached a picture of what…

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Answer 6

The diagram you attached shows a 7-way wired up in what is considered the "traditional way." If you check out the chart I attached you will see the three ways (really only 2), that a 7-way can be wired. The Featherlite is wired up like the…

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Answer 7

Yes, the center pin on trailer side wiring harness #H20046 is for reverse lights on the trailer. For this particular harness it is the yellow wire. But it will only work if the center pin is functional on your 2012 Toyota Tacoma. If you have the…

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Answer 8

In order to charge an on-board trailer battery you'd need to have a seven way connection on both the vehicle and trailer, this would contain the necessary circuits to pass a charge from the vehicle battery to the trailer battery. If you don't…

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Answer 9

I attached a diagram that shows how most 7-way rounds like the #PK11720 that you referenced will get wired up. As long as you got yours wired up correctly and your trailer taillights and brakes are functioning correctly that's all that should…

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Answer 10

From what I could find it looks like your 122R (red) and 122Y (amber) lights measure 3.75" x 1.70" x .81". We don't have any replacement lense directly for the GLO-BRITE lights but we do have some similar lights that you could use…

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Answer 11

Based on my research, the Trailer Hub and Drum Assembly - 8,000-lb E-Z Lube Axles #AKHD-865-8-EZ-K will be a replacement for the 90865 Rockwell hub and drum. Both of these hub and drum assemblies are 12-1/4" diameter, have an 8,000 lb capacity,…

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Answer 12

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Help Determining Wire Colors of Trailer Wiring for Installing New 7-Way

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