Is a Module Needed To Safely Install Trailer Lighting on a 2007 Nissan Xterra

Question

Question:

The mechanics at my local shop told me that I need a module for the wire kit to protect the computer on my 2007 Nissan Xterra. What does this mean? They said without the module my computer can become fried.

asked by: Collin D

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Expert Reply:

Your local mechanic is more than likely correct. Newer vehicles have sensitive components and thinner wires than ever before and adding trailer wiring that is powered by the vehicle wiring can overload the wires or sensitive circuitry and cause any number of problems.

The solution to your dilemma is a Modulite powered wiring harness. This type of harness is designed so that it uses the signal from the vehicle wiring to activate the trailer wiring functions, but the power is provided for the trailer from a wire that is ran directly to the vehicle battery. This means that the vehicle circuitry is only providing a few milliamps to activate the stop, turn and tail light functions for the trailer.

On your 2007 Nissan Xterra the Plug-N-Tow Vehicle Wiring Harness with 4-Pole Trailer Connector, item # 43605, is the correct wiring for your vehicle. This harness plugs inline with the vehicle tail lights and a power wire and ground wire need to be ran to complete the installation.

You could also use the Tow Ready Custom Fit Vehicle Wiring, item # 118263, on your 2007 Nissan Xterra. With this harness you may also need to add an OEM relay harness if the tail light function is not present in the connector at the back of the vehicle. The OEM harness is only available from the Nissan dealer. Models with factory tow packages have the relay harness installed. Directions are linked for you to review.

expert reply by: Robert G

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Answer 1

Since you will have trailer brakes and a battery, you will need at least a 6-Way connector, but I suggest going ahead and using a 7-Way as they are more universal. You will also need a brake controller to manage the electric trailer brakes. I will…

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Answer 2

If you just installed a new Curt T-Connector #C56225 on your Nissan Xterra but you are still having issues with the lights on your trailer, then the issue is most likely on your trailer side. You can verify this by checking the 4-Way functions with…

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Answer 3

One way would be to check the original window sticker for the vehicle for the tow package being listed. Other way would be to take the VIN to a Nissan dealer and have them run it to find out. If you do not have any factory trailer wiring currently…

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Answer 4

Since your 2008 Nissan Xterra does not have the factory tow package, you will need to use the Curt T-Connector wiring #C56225 that you have referenced. This kit comes with everything you will need to make the 4-Way functional including the wiring…

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Answer 5

Since you don't currently have a 4-way trailer connector on your 2011 Nissan Xterra Pro 4 X you can use the Curt T-Connector #C56225 wiring harness. It includes all of the jumpers and relays you'll need to activate the tow package. I've…

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Answer 6

I recommend the Curt Trailer Hitch #13514. The class III hitch has a 2-inch receiver, 4000-pound towing and 400-pound tongue weight capacity and bolts onto your Xterra's frame with no welding required. You will also need a wiring harness. Which…

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Answer 7

At this time we do not have the relays and wiring connector sold separately for the Curt T-Connector Vehicle Wiring Harness #C56225. This part is required for the 4-way flat trailer connector to function if your 2007 Nissan Xterra came from the…

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Answer 8

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 9

The #43605 wiring harness would be the only necessary part you would need to equip the 2006 Nissan Xterra with a 4-way plug, as this harness is made specifically for your vehicle and features a powered converter. A standard converter is used when a…

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Answer 10

If you install the Curt 7-way part #C56226 on your 2007 Nissan Xterra you can install a Curt brake controller with the correct install harness part #C51382 for your vehicle. This will allow you to install a Curt Triflex part #C24VV. It would be a…

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Answer 11

For your 2007 Nissan Xterra, I recommend the Curt T-Connector Vehicle Wiring Harness, #C56225, that you have referenced. This harness includes the relays that can be found in the factory tow package wiring, and it is wired similarly as the factory…

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Answer 12

For a 2006 Nissan Xterra you can use wiring harness #C56225 that you have referenced. This is the correct harness for an Xterra that did NOT come with a factory 4-Way or 7-Way trailer connector. I have included a link to a video showing a typical…

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