Here's the pin out for the connector. This view is of connector that plugs into the factory Screen connector looking at it from the pin side not the wire side. I will start by giving the pins, what color they are, and what to hook them up to. Below is the diagram of the connections from the factory DVD player to the Factory Screen. I will give some suggestions below.
1/2. Black/Yellow , Black/White , Ground, Connect these two together and connect to a ground.
3. Black , This is the secret wire! The one that others have missed. The diagram below labels this guy as ID. Not sure exactly where it goes. But, in order for the Screen to turn on this guy needs a pull down to ground. In other words I connected a 7.5K 1/4W resistor from this guy to ground.
4. No Wire, Harness diagram labels this as data shield. This harness had no wire.
5. Green, Labeled Data RX . Unused for this.
6. Blue/black spots, Labeled Data TX, Unused for this.
7. White , Video +, Connect this one to the center of an RCA connector.
8. Blue, Video -, Connect this one to the Shield of an RCA connector.
9. Labeled VTR Shield, The harness had no wire here.
10. Green/Yellow, Switched +5v. I used an LDO to make 5v from a 12V source since the monitor draws almost no current from 5v. This wire turns the monitor on and off. If you're not eletronically inclined enough to build an LDO for this you could use an off the shelf 5v cigarette lighter adapter. Won't be as clean but will work fine.
11/12. Light Blue/ Brown, Filtered batt, Tie these two together. I used a filter I had lying around. this is a constant 12v source. You could probably buy a cheap 12v filter from Radio Shack for this or leave it unfiltered. unfiltered may cause interference in video signal.
The hardest part here is getting the +5v supply to turn it on and off. The whole monitor only uses about 750mA so no need for seriously hefty components here. The main thing here to remember is to use a resistor from pin 3 to ground. I used 7.5K because that's what I had lying around in a through hole package. The data RX/TX may simply be connected to the IR transmitter LED and Receiver LED for the headphones/remote. But, I don't have anything handy to put any signals on these to see if that's true. but you really don't need them.
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