Couple of choices that I can think of

1. Eagle free version, but your limited on the  number of colors, but the U=
I is easy and you can make a library of symbols if this is more than a one-=
off

2. Draftsight - a free 2D Autocad like program provided by the company that=
 makes Solidworks.  You have to register, but its not a big deal (at least =
for me).

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of=
 Neil
Sent: Wednesday, September 23, 2015 1:07 PM
To: Microcontroller discussion list - Public.
Subject: [OT] Wiring diagram software?

Anyone have a recommendation for a simple, decent wiring-diagramming softwa=
re package?  I'm looking for something that will let me draw rectangles to =
represent modules and connectors, and have *multiple* wires coming off each=
 of these, each with a different color, and label.
Something like this (though I don't need the switch/coil symbols inside the=
 rectangles)...
http://www.veryuseful.com/mustang/tech/engine/images/91-93_5.0_EEC_Wiring_D=
iagram.gif

Typical Visio (at least from what I remember from the last time I used it s=
ome years ago) will only do a few wires per rectangle, and Eagle won't let =
me do multiple colors etc.  Plus I'd prefer it to be simple, because I want=
 to create a system interconnection diagram which I can then send to a cust=
omer and he can add some other parts of the system.

Paid software is fine as long as it's not several hundreds of dollars, and =
no online software please.

Cheers,
-Neil.

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