Trailer Wiring Harness Installation - 2006 Nissan Xterra Video

If your Xterra was not equipped with the factory tow package the port under the vehicle where the 4-pole trailer connector like part #C55441 plugs in will NOT be fully active. There is a jumper harness and relays that are needed to activate the tow…

If your 2004 Nissan Xterra did not come with a trailer hitch then most likely it would not have came with the plug for the trailer wiring harness either but you can check this pretty easily by just taking a look under the bumper on the driver side…

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.…

On your 2006 Nissan Xterra without the tow package, you will need the Hopkins Custom Fit Vehicle Wiring, #43605, which will connect to connectors located behind the taillights of your vehicle. This will have everything you will need to have a 4-Pole…

When installing the Hopkins Custom Fit Vehicle Wiring, #43605, on a 2007 Nissan Xterra, you can remove the panel using a tool called a trim panel removal tool like #PT73HJ or #ALL648544. The panel most likely snaps in and the tool essentially pries…

There are several items you might want to try using for removal of corrosion in your 7-way trailer connector, like part #HM48480. White Vinegar A wedge shaped, slip on pencil eraser or art gum eraser Pipe cleaners PB Blaster If the corrosion is…

Thank you for all the details on your Xterra's wiring and brake controller behavior. The first and easiest troubleshooting step you can take at this point is to unplug the Primus IQ brake controller #TK90160 so it powers down and leave it…

At this time we do not have a brush or other device specifically for cleaning the terminals in your 7-way connector. I have cleaned the connectors before and it can be quite a task with the limited space inside the connectors. You will need to be…

The first error code, SH, you are seeing on the Prodigy Brake Controller (instructions linked below) means the brake wire sees a short circuit during idle condition. The second code, OL, indicates an overload condition during operation. For the first…

The one missing running light relay is a common issue on certain Nissan vehicles. It is usually a missing relay in the in-cab fuse panel and it is one of the blue relays included in the Curt Relay Kit #C57000. You can check the owner's manual for…

If your 2009 Nissan Xterra did not come with a factory tow package, you would need to have the appropriate relays in addition to a wiring harness in order for all of the trailer lights to work properly. The harness that you have referenced, #C56225,…

For the 2012 Pathfinders the relays are located under the hood. There should be a small black box, take the lid off of the box and there should be a legend that will tell you where each of the relays goes. See attached picture.