I'm sure you don't intend to beat this to death, but the question about wiring has been answered, and I've posted that it can be done. Get a service manual for the 4.8 truck, and one for your '93 truck. YES, it can be done. Schematics are needed to map the wiring properly. You can also subscribe to ALLDATA (search the net for that).

As for your transmission... that's tough to say. One can only assume that you have a 1-piece 4L60. Question: Is it a 4L60 or 4L60E? Is it a 1-piece or a 2-piece (bellhousings are different, trust me, i know... the hard way)? Will the stock '93 torque converter be reused? If so, will it bolt to the flywheel of the 4.8? Probably, but these are the kinds of things you need to be sure of.

Again... I understand that you're looking for answers for your application, but that's probably been answered a time or two already. I know, personally, how aggrevating it can be to not get answers. However, I've found that various searches and readings to be of BIG help.

Now... what did the 4.8 come out of (year/model vehicle)? I have schematics for a 2000 RCSB Silvy. If your 4.8 came from a 99 - 02, I cannot see the wiring being much different. With that said, I will say that wiring is VERY, VERY, VERY, VERY TEDIOUS! I know THIS personally. Mine is complete, but there's a doubt with regards to my TCC circuit (422 - getting P0740 & no 3rd or 4th gear on a newly rebuilt unit). Let's just say Allen may get a request next year if my problem isn't with a faulty trans sensor.

Good luck, and GO READ!!!