IMO the lift is not needed. The HD factory service manual is a MUST. A digital camera can be invaluable. Take a picture of EVERYTHING before, during and after you take it apart. As you take pictures, you can review them in reverse order when you put it back together so you know order in which it was taken apart. You can also also use the zip locks as mentioned and when you label them, add a number as you go. Number low to hi during disassembly and install hi to low during reassembly.
Why no lift is really required..... Here is rough disassembly order. Remove the tank, seat and fenders. Remove the foot controls, rear master, clutch perch from bars, side covers etc. Strip miscellaneous parts etc. Remove oil tank, oil lines, carb, starter, primary etc. Remove engine, leave tranny. Basically you will be left with a rolling chassis and a tranny. Pull the front end as an assembly, if you can. Then pull the rear tire. Leaving a frame, rear swing arm and tranny. This is where the fun begins. If you have never had the pivot bolt out it will likely be a real challenge. Here is a thread that covers the basics ...
http://www.v-twinforum.com/forums/wh...m-problem.html
The wiring harness ... The old wiring harnesses have have multiple problems. Most have been molested in some way. The connectors oxidize and splay. The terminals get corroded and it usually is a task keeping all the stuff working. When I rebuild a bike I like to use a thunderheart wiring harness. You might consider it. Here is a thread about them ...
http://www.v-twinforum.com/forums/el...t-harness.html