Electrical Systems – Part 4 Posted on August 13, 2013 by Martha Reply Making good connections – walking you through a simple two battery system. You can check out the series here: Part 1, Part 2 and Part 3. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Google+ (Opens in new window)Click to email this to a friend (Opens in new window)Like this:Like Loading...