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Get Technical Schematics for your vehicle
on October 5, 2012
OK, so let me preface this with the fact that I repaired Medical equipment for 10 years, including MRIs and CT scanners, so I do have a slight upper hand on technology. But, installing this left me frustrated, irritated and with a lacerated finger. As others have stated, the installation instructions on this are basically non-existant. I would STRONGLY suggest that you obtain the electrical wiring diagrams for your vehicle. I spent $11 for a digital version for my 2006 Chevy Uplander and it was definately worth it.
So, where to begin. First, I would strongly suggest you go to a home impovement store and purchase a piece of 1 x 2 wood...it will help brace the unit to the vehicle roof liner. The metal bracket that is supplied has some very sharp edges (hence the finger laceration) so wear some type of glove. Once you have placed the bracket where you want the device installed, the fun begins to connect power. There are three bundles of wires in this unit that exit at the BACK. Yup, they are not located in the center where the unit screws into the former light dome space, was which means it is almost impossible to get a flush fit. Here I would offer some more advice...get longer screws. The ones that come with the unit are very small and trying to line up the holes with 1/16" clearance is impossible. I managed to get some that had the same thread pitch but were 3/4" long which made it much easier to screw in.
It is important to note that the AV/Power cable that comes with this unit IS required to be connected (I was not sure as it is detachable). The connector for the lights does not power the unit (no idea why)...these wires only control the lights. This leads me to my next point: the cables that need to be attached the the dome light you are replacing are way too short (think 12 inches). I had to have my 13 year old daughter hold the unit for me while I connected the very flimsy cable connectors to the vehicle wiring.
Suffice to say, plan on having many hours to install this. Again, there is no help to be found in the included manual. If anyone has questions, I would be happy to answer them.
Again, this unit requires TWO power inputs...one for the lights and another for the TV/DVD unit. Once you have it all wired, it is a very nice unit.