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Trailer Wiring Harness Installation - 2010 Subaru Impreza

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Subaru Impreza Wiring



Installation of a Trailer Wiring Harness on a 2010 Subaru Impreza


Today on this 2010 Subaru Impreza, were going to install part number C56111 from Curt. The first step is to go ahead and open up the back hatch so well get to the fasteners and remove the two tail lights. The fasteners are gone. Well go ahead and pull the tail light straight back then well get to the wire harness. Well push down a little tab so we can remove it. Okay, with the drivers side done, well go ahead and repeat the same process on the passengers side.

Sometimes pushing that tab down needs a little help. And now, we can go ahead and start installing the wire harness. First, well take the 4-pole wire and run it down between the bumper cover and now at the bottom. Well also do the same thing with the wire harness with the red wire and T-connector. Well take our T-connector with the yellow wire and plug it into the factory harness.

Well leave that alone for now and pull the wires out towards the bottom. Well take our white wire with the ring terminal and run that to the body for ground. Now, well go ahead and take a second to connect our black wires that comes with a kit. Well get up to the black wire with the yellow butt connector. Well take the black wire and push it through just like what we did with the other two wires.

Now, were going to go ahead and trim off a section, a sheet metal, so we can adhere our module to it. Well take our adhesive and attach it to the module and then to the sheet metal. Well take the other half of the T-connector and run that into the tail light. At this point, we can go ahead and reinstall the tail light. Now, well go ahead and run the 4-pole wire over to the center of the hitch and well also run the other half of the T-connector to the other side, and well leave the black wire alone for now.

Now, well use a piece of wire to help pull up our T-connector back to the other side. Theres just enough wire to run in across the other side so be careful how you route the wire. Now, well snap it into the factory harness and now we can go ahead and just reinstall the other tail light. With those wires secured, well go ahead and continue with the black wire and run that up to the front of the vehicle towards the battery. When we run the wire, well make sure we stay away from any things moving like the suspension components or anything hot like the exhaust. Well run our wire through the engine compartment. Well bring it up along the fire wall and zip tie it off to make sure its secured, and then well go ahead route out towards the battery. When we run it to the battery, well go ahead and take our fuse holder, cut it in half. Well take a butt connector on one side and connect that to the black wire. In the other side, well get the ring terminal where well connect it to the positive side of the battery. Once we have our connection made to the battery, well go ahead and install the fuse into the fuse holder and then were finished with our install. And with that, that will finish it for our install of part number C56111 from Curt on our 2010 Subaru Impreza.








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