Pololu Simple - Manual (Page 27)

Simple Motor Controller 18v7 power and motor connections.
Simple High-Power Motor Controller 18v15 or 24v12 power and motor
connections.
Simple High-Power Motor Controller 18v25 or 24v23 power and motor
connections.
Pololu Simple Motor Controller User's Guide © 2001–2014 Pololu Corporation
4. Connecting Your Motor Controller Page 27 of 101