Alright, today on this 2010 Ford Focus, were going to install part number RM-154 from Road Master. Were also using a four way connector for the end of our wire harness and thats the part number PK11410. Okay, to begin our install, were actually going to cut off the wire harness in here at the fourth pole since we were changing over to a round four pole. And the harness has it on both ends, so were going to do both of them. Cut the other end and then we run it to the back. And then well go ahead and figure out a route for our wire harness and run it to the back of the car.
Now, to run our wire to the back, what we did is actually run a piece of airline tubing to the frame, and we actually got to come out of this hole right here and well use it to pull it to our frame so well avoid all the suspension components. Alright, now lets go structure here, our channel. Were going to use it too as well to hold our wire and hide it. Now, we want to pull it tight. We just have to get both here through because we want to tie off and then surely it wont drag around.
Then lets continue on to going through the back of a car. I want to take some aluminum that came with the kit and run it on our wire right here, and lets go ahead and tuck it into place. Alright. we'll jsut use this aluminum clamp to hold it up and out of the way. The next thing well do is go ahead and run our wires through our 4-pole.
Well, you want to remove the terminals and lets take our wires and just run it through. Well cut off our excess. Well go ahead and strip the wires. Right now our connector doesnt take much wire so were going to twist them up nice and tight and then turn them off a bit. When we wire up our 4-pole, were going to be using the instructions we found on the Road Master website.
If you look on the back side here, there are no numbers or anything that indicate any type of code whatsoever. So were going to go back in position. So make sure that the inside part is going to be sitting correctly before you wire it so you can see how the screw hole will match up to the screw hole here. So this will be our left turn and this will be our right turn signal. Left turn will be yellow wire and right turn will be green wire. This terminal will be ground. This will be for the white wire and this one will be for the running light so that will be the brown wire. Take a second and double check your connections, make sure you got everything correct. And what I like to do is take a little bit of electric tape and run it over the brass terminals, and well reinstall the terminals inside the connector then reinstall our set screw. Then we can go ahead and cover our wire up and then go ahead and mount it. Now, we open up our trunk. Well go ahead and remove these fasteners and take off the threshold first, and then the side panels. Well pull back on the bottom and then the snap. Alright, next, well go ahead and pull our carpet back, and then well go ahead and remove the tail light. Were going to remove something thats not right here. Heres another one right here as well. What were going to do next is go ahead and actually remove the tail light before we test our wires. We push down these tabs right here, half push in forward a little bit and then pull it back out. Great! Well pull our wires up from the inside out. Leave those alone for now. At this point, we can go ahead and start installing our diodes. This car is combined system so I need the breaks to go and our turn signal is going to be on the same circuit, and our running light will be on a different circuit. So well go ahead and cut back our tape and well go ahead and discover which wire is our running light first. Alright, before we test the wires, we need a ground and our wire harness is going to need a ground too, so well go ahead and install that now. We'll connect our tester to that to see which is which. It looks like purple with a white stripe will be our running light circuit. Alright, to install our diodes, were simply going to cut the wire in half, split the wire back. Well go ahead and crimp our connectors onto that. Alright, then we can go ahead and install our diode. Now, its labeled in for the input and that'll be one of these tabs will be used for our factory wire harness. It doesnt matter which one so well go ahead and put that in. And then out always goes to the tail light bulb. Well take our other half and plug it into that. And our towing harness will be our brown wire, will go in here in this other tab. Now, for our brown wire, we have to do one thing thats special. We're going to have to take our brown wire and run it in here. Were also going to have to come back out of it to go to our running light circuit on the other side. So were going to split back our wires so whats going to happen is we're actually going to take our wire make a loop, cut it in half, and strip both ends. And then were going to take both of these and twist them together. Now, inaudible in the special terminal basically handles the heavier gauge wire and then you can put these two together inside and crimp them, so that you have a junction and then we take this and plug it to the other side of our diode. Now, were going to repeat the same procedure looking for the left turn signal. As for the rest of our brown wire, were just going to put that off to the side for now. Now, well go ahead and test for a left turn signal an well repeat the same process. It looks like our turn signal is going to be gray with a brown stripe. Alright, well install our diode the same as before, the out going towards the light bulb and then to one of the inputs. Well take our yellow wire, shorten it up, and well cut the length because that will be our left turn signal. Now, lets go back to our ground. Well take our white wire, cut it to length, then well add the ring terminal to it. Now, we got two wires left. We have our brown and our green wire. Our green wire will be our right turn signal and our brown wire will be a continuation of the running light circuit over to the other side. There are two different ways you can run this over. You can run it underneath the car and back up or we can actually run this to the inside. Well go ahead and run it to the inside. Well make a slice into this grommet right here and run our wires through. Alternately, you can do the same thing with the other wires and do your diodes on the inside as well, but its a little bit easier to see whats going on the outside. So we get over to the passengers side of the vehicle, well go ahead and remove the same panel and remove the tail light, the same way we did before. Okay, well test one more time and our running light circuit again is purple with a white stripe. Now, we also found that we had to plug in the yellow tail light back in to complete the circuit so it would work. On this side, were going to an alternate version of slicing in. Well actually go back into the trunk area and well splice in there and install our diodes. Inaudible, follow our wire harness to the inside, we noticed that you can actually follow the wire harness back all the way across to our drivers side. So well actually splice in here and higher diodes in this side. Heres our purple wire with a white stripe for our running light circuit. So well cut that in half and then add the diode. Again, well add our terminals. Now, lets start off for out. So we know this goes out to our tail light then well add our factory wire harness back in, and then our towing harness. Lets set that aside for now and now, well repeat the same process for our right turn signal. Purple with a red stripe will be our right turn signal and add our diode one more time starting with out, going to our light bulb and our inputs. At this point, we can go ahead and start cleaning up. Well tuck our wires, zip tie them up as needed, and put our interior back together. And there you have it for part number RM-154 from Road Master and our 4-pole connector, part number PK11410, on our 2010 Ford Focus.