I too am interested in software to draw wiring diagrams and have been looking for such a product for a couple of years. I have tried both docircuit.com and circuitlab.com, in the trial mode, and neither seemed to do what I needed though I do like the simulation element. I have also tried PCB design software, like ExpressPCB, that didn't do what I would like either. I work on old cars and a lot of the wiring diagrams are difficult, if impossible to read, and I would like to create better copies for myself and other enthusiasts. Plus it would be nice to zoom in and around and print out all of or a detailed portion of a diagram. I use a Wondows 7, and linux VM, PC and would not mind paying for a good piece of software but free is nice too.
List of "requirements"
- Multiple colors on one wire (white wire, blue stripe)
- Light bulbs
Edit to update OS type