First - newegg is great. I've ordered hundreds of things from them - they are super reliable and good to deal with.
I received the TV - it was in perfect condition in a vizio box - and installed in my 1999 Safari. I purchased a $25 videosecu mount from amazon - it is plenty strong to hold this light TV.
As far as the hookup is concerned, you can see where I mounted it in the picture below. As part of this project, I replaced the existing ugly fabric covering on the microwave cabinet with a piece of stainless sheet and then mounted the TV to the cabinet using bolts - because the cabinet it made of relatively thin 1/2" plywood I removed the microwave so I could get behind the panel, and then used bolts with fairly large washers to spread out the load instead of mounting with the supplied wood screws.
I'm almost done with hiding all the wiring.
I'm tapping into 12V power from the antenna amplifier which is just above the microwave cabinet. Like the previous poster, I purchased the right size 12V DC plug and soldered it on. On my trailer, the 12V supply to the antenna amplifier behind the skin is connected with 1/4" spade terminals - so I just soldered together a simple tap with male and female spade terminals on each end that I can plug into the existing power - makes for a very clean install.
I also added a small power switch with a blue power on LED behind the TV - I wanted to make sure I can turn the TV completely off when not using it. I have installed same switch for my media player and wireless router and they work great and look nice. The idea is to prevent these loads from draining the battery if I'm not using them - all of them do incur standby power consumption.
I've added an HDMI wall plate in place of the telephone jack above the microwave cabinet - so I can plug in any player with an HDMI out jack directly into the trailer (again for a clean install without wires hanging behind the TV)
Last, I installed a splitter off the feed from the antenna amplifier to the back bedroom - and routed the new feed directly to the new TV alongside the power and HDMI wiring.
I ran all the wires from the antenna amplifier under the skin to the inside of the microwave cabinet, and then behind the microwave, and will route to the TV through a small hole in the wall of the cabinet next to the mount directly behind the TV.
I purchased a small amount of expandable nylon sleeving to clean up all the wires behind the TV - it's like a stretchy black sock that goes around your wires to make the install look more professional.
For a project like this, parts express (Parts Express: the #1 source for audio, video & speaker building components
) is your friend... It's a great resource for custom installation parts.
090-477 2.1mm x 5.5mm x 9.5mm DC Plug $1.40
082-336 Techflex 3/8" Expandable Sleeving 25 ft. Carbon $10.33
060-770 SPST Automotive Round Rocker Switch w/Blue LED 12V $2.44
310-2304 Pyle PHDK8 Single Port HDMI Wall Plate $7.93
I also like that this TV is almost the perfect width for the space I have in my AS. I watched the end of the US open yesterday and it worked and sounded great. It picks up something like 75 digital channels here in the Bay Area.