need help, cant find wiring diagrams..

[hewlett2002000]

if this should go somewhere else im sorry. im looking for colored wiring diagrams for a 2001 silverado 1500 with a 6.0l and 4l80e. im swapping the whole setup into my 66 and want to keep the whole harness from the 01 the way it is. i mainly need to know the wire colors for the passenger side front 02 sensor. also i need to know the colors of the tail light and head light/blinker wiring and where it exits the harness at. there are also a few other connectors cut off like the gauge cluster connector (i think thats what the wires are) and several other connectors that would go under the dash somewhere. since there are several wires there that are the same color i am going to have to trace those back to the ecm/bcm or wherever they come from to find out what they went to. something that would be very helpful is a plug identification chart if something like that exists. something that would identify plug color and type and list what they plugged to, and list the pinouts for each plug. i have ecm and bcm pinouts but have had no luck with colored diagrams. i used mitchell on demand from work to get the pinouts. i have heard alldata has better diagrams. is this true? any help anybody can provide is highly appreciated. if you need pictures i can take them tomorrow.
thanks,
John