Today on this 2009 Ford Edge we are going to be installing wiring harness part number 118551. We are at the rear cargo area of the vehicle here. And we are going to go ahead and point out the mounting locations for our T- Connector. The connecting points are located directly behind the tail light assemblies. But to gain access to those we are actually going to be routing the wire from the interior, out through the grommet behind the tail light and then making our connections. So to get started we want to go ahead and disassemble the rear cargo area so that we have room to route our wires across. See I have already removed the cargo cover here. Okay then we also want to remove the rear threshold piece here and you can do that by just gently prying up on it to release the tabs that are holding it in. And that is going to allow us to pull back the interior panels here on each side. We want to remove the screw here at the end. We are going to do the same thing on the passenger side.
Now we are going to go ahead and remove the tail light assemblies. There are two inboard screws on the assembly itself that need to be removed that allow us to take those off. And you just want to gently rock it back and forth until you get the outboard clips to release. And with that removed you can see the large connector here. That is the one we are going to be connecting our T- Connector ring to on both sides. To get the wires from the inside to the outside we are going to need to put a little slit to the grommet here. Okay, now we are going to do the same thing for the driver- side tail light. Now we can go ahead and take our harness and feed it from the inside out. I am going to start here on the driver side. We want to take the set of connectors with the yellow and brown wires as well as the white wire with the ring terminal connected to it.
We also want to take off of our modulite box, the red wire and go ahead and connect it to the large, black bundle of wire that is included with the wiring harness. That black wire is also going to come out through this grommet here on the driver side and we are going to take it and route it up to the battery. Take and feed the other end of the black wire out through the grommet. I am going to go ahead and make my connection through the driver- side tail light assembly now. To do that we just want to push the tab here and then just pull the connector off. And we will just plug our harness in line. We are also going to want to go ahead and ground the white wire. We are just going to ground it to this metal surface here using the self- tapping screw that is provided in the installation kit. And then the last thing we want to do here on the driver side again is to run our black wire down through the opening. And that is actually going to be coming out down behind the mud flap here behind the rear tire here on the driver side. To do that we need to remove a few of the screws here that are holding the mud flap on. And we want to make sure we pull the full length of wire all the way out. I am actually going to feed that to the inboard side. We are going to be running it all the way up to the battery. Then we can go ahead and reassemble the mud flap and the driver- side tail light assembly.
Now that we have got the driver side put together we can go ahead and route the connector over right up behind the panel and make our connection in the tail light. And then we are going to slide the grommet back in here. Okay and the last thing we want to do before we route our wire up to the battery is to go ahead and mount the modulite box here to the inside of the vehicle. As you can see we have got double sided tape here on the back side of it. And you just peel that away. You can just peel away the cover here and you just want to adhere that to a clean, metal surface somewhere back behind the tail light assembly. And then with the 4- pole left over in here, leave it stored inside the rear cargo area here and you can pull it out the back hatch of the vehicle when you want to use it. All right now we can reinstall the interior of the vehicle and we will go underneath and route our wire.
Okay when routing the wire up to the front through the battery you want to make sure that we avoid any possible pinch points or hot spots that could damage the wire. All right now we are up under the hood, and you can see we have got our wire in all the way up to the battery. The next step is to go ahead and connect it to the positive terminal of the battery. Pull the cover back here. You can see we have got two auxiliary posts that we can connect to. And go ahead and loosen the nut on that. And next we are going to take our fuse holder that is provided with the harness. We are going to go ahead and just cut it in half. With one end connecting directly to the battery and the other end connecting to the black wire. We are going to strip off some of the jacketing on both ends. And one end we will apply the ring terminal, to the other end, a butt connector. Determine how much length we need of the black wire. And go ahead and cut that down. It will not hurt to put a little bit of tape around the connection. And then finally we will go ahead and add the fuse to the fuse holder. You want to tie up any lose wires you may have left over with the remaining zip ties and our installation will be complete. Part number 118551.
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