Sorry about not posting pics as promised last might - real life got in the way.
Well, I've snapped some pics, but they need some tweaking... They will follow

Meanwhile I've made a graphical representation of the plugs and a text description...



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The colors of the wires as seen facing the rear of the sled:

Top row, left to right
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Yellow (memory, goes to ISO plug)
Blue (amp remote, goes to ISO plug, also branches and becomes dark green going to the serial plug, ???pin 5???)
Grey (goes to tuner plug)
Pink (goes to tuner plug)
Purple (goes to tuner plug)
Brown (goes to tuner plug)
Red (goes to tuner plug, slightly thick)
Orange, thin (goes to serial plug pin 2, RD)
Red (goes to serial plug pin 3, TD, thin)
White (goes to serial plug pin 8 CTS, also in ISO plug as Dimmer Sense)
Light green (goes to serial plug pin 1 CD, also in ISO plug as Phone Mute)
Black (microphone plug, sleeve/ring)

Bottom row, left to right
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Black (ground, goes to ISO plug, also becomes black going to the serial plug)
Orange (Ignition sense, thick, goes to ISO plug)
Red, rear right RCA
Copper, common ground, rear RCA
White, rear left RCA
Red, front right RCA
Copper, common ground, front RCA
White, front left RCA
Red, AUX in right RCA
Copper, common ground, AUX in RCA
White, AUX in left RCA
Black w/ white stripe (microphone plug, tip)

Additionally
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Ground and amp remote (black and blue) are also connected from ISO plug to tuner plug

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/Michael