A GPS unit is a great CAR accessory, but the power cord hanging across the dashboard is an eyesore. Many vehicles have 12V power at the rear-view mirror, with a 2-wire plug. Tap into it to straighten up your view.

You will need:

  • 12V power receptacle I used the Philmore TC600 cigarette lighter plug socket.
  • Wire, 2-conductor, insulated, 20-gauge solid, 6″ such as bell wire. Or 2 lengths of single-conductor wire.
  • Cable ties (5) aka zip ties
  • Wire cutter/stripper
  • Soldering iron and solder
  • Ohmmeter or multimeter


MAKE Volume 34: Join the robot uprising! As MAKE's Volume 34 makes clear, there’s never been a better time to delve into robotics, whether you’re a tinkerer or a more serious explorer. With the powerful tools and expertise now available, the next great leap in robot evolution is just as likely to come from your garage as a research lab. The current issue of MAKE will get you started. Explore robot prototyping systems, ride along with the inventors of the OpenROV submersible, and learn how you can 3D-print your own cutting-edge humanoid robot for half the price. Plus, build a coffee-can Arduino robot, a lip balm linear actuator, a smartphone servo controller, and much more

On newsstands now, by subscription, or available in the Maker Shed

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