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Trailer Wiring Harness Installation - 2012 Nissan Frontier

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Nissan Frontier Wiring



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Installation of a Trailer Wiring Harness on a 2012 Nissan Frontier


Today in our 2012 Nissan Frontier, we'll be installing the tow ready T1 connector part number 118263. First, we'll need to locate the manufacturer's plug located on the inside of the drivers side frame rail. As you can see here, there are two plugs. We are going to remove the cap off the gray plug. Now with the cap removed we can go ahead and take our new inaudible harness and plug it directly into the manufacturer's wiring. As we install our plug we'll make sure, we have it firmly pressed into the connector and locked in place.

Now with the plug installed we can go ahead and run our wire over to the center of the hitch and secure it with some black zip ties. All right now with our wires secured we'll just go ahead and take our side cutters and cut back the excess in the zip ties. Now this will complete the install of our new tow ready T1 connectors part number 118263 on our 2012 Nissan Frontier.






Questions and Comments about this Video

I just bought a 2012 nissan frontier. I had a 2010 frontier and took factory insalled trailer wiring harness off that truck and installed it on the 2012.all lights work exept the running lights. My question is , is there a different wiring harness for the 2012. Or is there something else wrong. If there is a different one what do I need to buy.Any help you can give would be great.Thanks Don

comment by: Don S - 9/20/2012

Don, The problem is probably going to be relay related and you probably need a bridge harness. The harness you pulled off your 2010 is probably very similar our # 118263. That harness is designed to be a replacement for trucks that had the factory tow package but the 4-way some how got damaged. It won't work on trucks that did not originally have the tow package. We actually ran into this same question with a customer in our shop. If your 2012 did not come with a tow package then all the relays necessary to make that plug in port functional are not present. There's also a harness connection in the cab that is not complete. The solution is kit # 118525. It includes the relays you'll need the activate the wiring, the bridge harness for inside the cab to complete the connections, and the harness for the back that will add your 4-way. We have a video of this kit being installed on a 2012 Frontier as well. Links are below. If you need anything else, get in touch with us.

Patrick B - 9/21/2012


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Today on our 2008 Nissan Frontier well install the Tow Ready T1 connector, part number 118525. To begin our installation well need to access the wiring underneath the kick panel on the passengers side. Well go ahead and open up the passenger side door and remove the threshold or seal plate. Making it easier access to removing the kick panel well go ahead and remove the passenger side floor mat. Then using our trim tool or a flat bladed screwdriver well pop free the two fasteners securing the kick panel. Now well go ahead and remove the kick panel and sit it aside.



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Today on 2012 Nissan Frontier we are going to install the tow ready T1 connector part number 118525. This is a two-part harness. The first piece we'll be adding to the passengers side kick panel. First, we'll remove the passenger's side threshold trim then the kick panel. To remove the trim, we'll simply take a flat blade screwdriver or a trim inaudible tool and get it underneath and pry it free from the plastic fasteners. To remove the kick panel we'll need to remove plastic screw cap and then use our trim panel tool or our flat blade screw driver to pop free the kick panel.



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