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I purchased the exLED LED Rear Reflector 3 Way Upgrade Module some time ago, about 4 months ago. Link: http://www.exledshop.com/exled-custom-leds/kia/k7-cadenza-2013/2013-kia-k7-cadenza-exled-led-rear-reflector-3-way-upgrade-module-copy.html

I knew installation would be a bear, so I procrastinated, but finally got it done last weekend. Anyone interested in doing this, I HIGHLY recommend buying the version that is already assembled (I got the led module only). This meant I had to crack open the reflector module myself.

The reason this is a bear is that you have to remove the rear bumper - no other way to get the reflector off. I didn't have to get the bumper fully off, but enough so that I could reach inside to get to the bolts that hold on the reflector and the chrome trim piece. The chrome trim piece overlaps the reflector and has to come off to get the reflector out. Let me say that the chrome trim piece is held on by a whole lot of bolts - twice as much as I would think necessary.

Once the reflector is out, I used a dremel to cut into the reflector to get it open. There is a hole that is covered by a grommet and plastic cap that I enlarged to run the wires through (seems like KIA had anticipated this accessory?). Once in place, I sealed the reflector using an epoxy putty and did some sanding to smooth it out. It wasn't pretty, but thankfully the chrome trim piece hides most of the imperfections when put back into the car.

Then I spliced into the rear taillight for the connections and soldered and shrink wrapped them into place. In all, took me about 6 hours to do - again, if you get this, save yourself some trouble and get the pre-installed ones.

I am very happy with the module - I think it looks great and functions as advertised.

I'm toying with the idea of converting the rear turn signal bulb into a switchback reverse light - essentially using the rear turn signal light as an additional reverse light to the current one. exLED has a TPC module that can do this.
 

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Looks very good, good work with the install.

For any members not looking to install these LEDs inside of their OEM reflectors, we do sell the completed parts in a 1:1 replacement for only $99.95 shipped on the site. This way as the OP mentioned, you would not have to do the work yourself.

K5 Optima Store - Kia Cadenza Rear LED Bumper Lights
My next mod for sure. How difficult is the splicing into the rear light wiring?
 

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Discussion Starter #6
Looks very good, good work with the install.

For any members not looking to install these LEDs inside of their OEM reflectors, we do sell the completed parts in a 1:1 replacement for only $99.95 shipped on the site. This way as the OP mentioned, you would not have to do the work yourself.

K5 Optima Store - Kia Cadenza Rear LED Bumper Lights
We'll worth getting it already installed, wish I hade gotten them instead and saved about 3 hours of my life.
 

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My next mod for sure. How difficult is the splicing into the rear light wiring?
Pretty easy actually, Kiatechinfo is invaluable, as it has the wiring diagrams and made it easy to know which wire was which.
 

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My next mod for sure. How difficult is the splicing into the rear light wiring?
Sweet, let me know when you're ready. ;)

Wiring is very straightforward once you get the bumper off.

We'll worth getting it already installed, wish I hade gotten them instead and saved about 3 hours of my life.
I think so too!

Pretty easy actually, Kiatechinfo is invaluable, as it has the wiring diagrams and made it easy to know which wire was which.
It is a great source of info on that site.
 

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Been on kiatechinfo for like 30min and finding everything but the diagram to do this -___- anyone point me in the right direction??
 

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Been on kiatechinfo for like 30min and finding everything but the diagram to do this -___- anyone point me in the right direction??
Taking off the bumper? On kiatechinfo, after selecting Cadenza, 2014, G 3.3 GDI, you'll see a menu on the left. Select Body, Bumper, and then Rear Bumper. Then click repair procedures. This will give you a general idea how to take it off. The instructions are not 100%, but the rest is easy to figure out. Step 8 is tricky, you'll need small hands and different size ratchets and lug wrenches to get to those bolts. Step 9 is tricky also, the wheels impede access to those screws. I ended up using a screw driver bit at the end of vice grip to get them off - saved me the trouble of removing the wheels.

For the wiring diagram, go back to the main menu (with the filter for Cadenza, 2014, G3.3 GDI in place). Click on ETM. Then on the left menu, navigate to G3.3 GDI, Schematic Diagrams, Body Electrical System, Tail, Parking and License Lamps, Schematic Diagrams. Once you select that, in the upper right, select page 2. One there, click on the linked F27 and F30 next to the "Rear Combination Lamp." This has the wire colors (Colors are listed in abbreviations (Br = Brown, B = Black, etc)).

Good luck!
 

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Now that they decided we weren't worthy of knowing what our cars have inside of them, do you happen to know what colors you used? I want to order these soon.
 

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Discussion Starter #12
Now that they decided we weren't worthy of knowing what our cars have inside of them, do you happen to know what colors you used? I want to order these soon.
I do:

LH Side
- Black - ground
- Red - brake
- Brown/Orange: tail
- Pink: Turn

RH Side
- Black - Ground
- Red - brake
- Gray/Black: tail
- Orange: Turn
 
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