I was thinking if I did get the monitors power hardwired to the car battery this would solve my issue correct?

Then I could use the solar battery to only power the Rasberry Pi and be set. Am i correct in this thinking?

So my only issue is finding a converter for the monitor. Which you said is next to impossible.
So otherwise it looks like it would work?

OK I next to Raspberry Pi and I am trying to create something to put in my car. Please see this thread and what I am trying to do. Comment on my idea and what changes if any I need or should make. I am trying to setup a carputer with the RP. I already have GPS, Music, Video, internet and Apps covere...

ok what about the Pi?

I have a 2010 Nissan Altima I have been modding this summer. I already have a double din head unit install that has GPS, and DVD. I also have a Samsung Galaxy Tab 4 installed running Android 4.4.2. I want to hook the Raspberry Pi up to a 3.5" or 4.3" touchscreen and mount the monitor on my dash. I j...