Did a search and could not find any good information-

I would like to install a Pioneer DVD touch screen on my 97 gts which has the stock amplifier and OEM head unit. I removed the stock head unit planning on just wiring in the new unit. The stock harness has 7 wires I found the Constant 12Vpower, switched 12v power and the black was ground. After that I could not find out what the 4 other wires are. How do I connect the Speaker wires from the new unit to the OEM harness?
thank you
Just found this on ebay,would it work
Car Radio AMP Wiring Wire Dodge Viper 93 94 95 96 97 98 - (eBay item 110139229928 end time Dec-11-07 17:58:48 PST)