How to Connect +12V Power to 7-Way Trailer Connector

Question

Question:

I have a 2007 Nissan Frontier, just upgraded the 4 pin harness to a 7 pin harness with gear ordered from you guys - Thanks was easy : Now how do i get Aux power for charging the trailer battery to the connector. 2007 Nissan Frontier that originally had no trailer wiring.

asked by: Mark M

0

Expert Reply:

The most direct way to get +12V power to your 7-way trailer connector is simply to run a separate 10-gauge wire # 10-1-1 from your battery + terminal, through a 40-amp breaker # PK54540 and on to the 7-way. You can use ring terminals # DW05705-1 at the breaker.

expert reply by: Adam R

0

Answer 1

To get power to the pin in the 1:00 position of the #PK12703 7-way trailer connector, you'd run a length of 10 gauge wire #10-1-1 which is sold by the foot from the terminal for the 1:00 pin on the 7-way to the positive battery terminal, via a…

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Answer 2

You can put a maintenance charge on your trailer battery with the 12 volt accessory circuit of the 7-way. The 1:00 position of your 7-way carries this circuit. You would just need to run a length of 10 gauge wire like part #10-1-1 (sold by the foot),…

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Answer 3

It sounds like you are missing a wire for the running lights on your trailer. Trailers that are wired for lights will have 4 or 5 wires, one for right stop/turn, one for left stop/turn, one for ground and one, possibly two, for running lights. Does…

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Answer 4

Yes, you can power your enclosed trailer's interior lights with a dedicated trailer-mounted battery. For such an application high-efficiency LED-type lighting is ideal since these will draw only a small fraction of the power required by standard…

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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

If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other…

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Answer 8

When wiring a trailer connector, it is best to wire by function, as wire colors can vary. We have an excellent wiring diagram on our website, I will provide you a link so you can look at it. If you are looking at the inside of the trailer connector…

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Answer 9

The only difference between 7-Way Utility and 7-Way RV is the color of the wires. The pin outs are the exact same so either would work just fine with the other. If you check out the picture I attached you'll see that the functions are all the…

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Answer 10

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 11

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 give…

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Answer 12

It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen on…

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