Interesting, they have an iPhone cradle that they claim does video out, it shows a composite (yellow) video cable -- is this what you have?:
IPHONE Mobile Cradle
internal part-ID: HA-CMIC-101
The main function of this Mobile iPhone Cradle is to power and charge your iPhone while youre on the move, and hold it securely into its position. It does NOT include suction windshield mount. You need to select KUDA base for your car.
The Mobile iPhone Cradle uses injection molding manufacturing which ensures a perfect fit to the iPhone.
To increase protection of the iPhone in and outside the vehicle even more, a protective iPhone skin is included with the Carcomm iPhone cradle.
For charging and powering the iPhone the holder has an integrated charging system which can be used at 12 and 24 Volt.
The Carcomm iPhone hulder has a single cable output with a length of 1,5m and a 8 pin Mini-DIN connector. To this Mini-DIN connector you can connect different adaptor cables. Included with the cradle is an Audio/Video -out ( Cinch ) cable and a 12-24V cigarette-lighter plug.
To use and mount the cradle right away onto KUDA base a rotating swivel is included..
Key Features :
- Compatible with the Apple iPhone
- Slim design
- Perfect fit to the iPhone
- Dashboard colour
- Single cable output from the cradle
- Build in charging system
- Prepared for permanent installation
- Ready to connect to the Car Radio
- e4 approved
- Registered model design, patented
Package contents :
- Carcomm iPhone cradle
- CICA-03 Audio
- Cable with fuse for a permanent power supply
- Rotating swivel
- Installation materials such as screws and cleaning cloth
- Manual
$ 89.99
I do not believe it does video with the iPhone, but I could be wrong. I only have it hooked up to my car stereo for music, no monitor in my car.