I just installed my dashcam yesterday. It's a generic A118 model that I got for $65 on Alibaba. The cam is great and has good resolution for the price. The most important part of the install was having an installation kit from the Dashcam store. This made it super simple to install. I started by figuring out where to install it. I ended up putting it lower than I originally intended because the plastic housing with all of the sensors behind the rearview mirror kept showing up/blocking the view to the right. With the install kit, you end up running the wiring in reverse, that is you start at the fuse box and end up at the camera. This wasn't a big problem. Started by pulling off the weather strip molding around the drivers door enough to expose the A-pillar trim and all the way down to the sill molding. Then, pulling to the right (toward the passenger side) on the top of the A-pillar molding, it pulled up about an inch or so. I did not try to remove it as I didn't want to deal with the clips (as other threads have talked about). Then I removed the kick panel trim around the fuse box area (super simple - one internal clip, one plastic nut above the dead pedal and a couple of visible clips under where the weather strip was). This also required removing the sill molding which just pulls straight up (4 clips hold it in place). I am generally nervous about breaking clips when I remove trim, but it was super simple to do all by hand and nothing broke (so don't be afraid to try it!). Looking through the windshield from outside, I was able to bend the A-pillar trim out enough to see where to put the cable. I had to fish it through at first, but that was no big deal. Ran the cable on the top part of the A-pillar so as not to interfere with the airbag in there. When I got to the top, I was able to push the cable underneath the edge of the headliner using a small piece of plastic to push it under. There is a slight opening in the headliner when you get next to the sensor box behind the rearview mirror and that is where the cable drops out. The advantage of taking off the kick panel trim is that it was easy to unscrew the bolt holding the fuse block on and put the ground strap underneath it (10 mm bolt by the way). I used the first open slot in the right side of the fuse block (closest to the dead pedal) for the install kits fuse plugin. It's labeled for the rear outlet but it was empty and it powers on and off with the engine. All of the extra cable and the transformer were all able to be stowed in the space around the fuse block and is hidden by the kick panel trim. Then you just put the trim back on and you're done. Took about 1/2 hour start to finish.
Here is the install kit I used (and HIGHLY recommend):
http://thedashcamstore.com/dashcam-installation-kit-5-volt-usb-plug-low-profile-mini-fuse/
And here is the finished product. Noticeable from outside? Yes, but not so much. The cam removes quite easily in about 2 seconds if you are parking in an area where you think someone may want to steal it.
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