- 1). Identify the terminals on your three-way, double-pole switch. There will be two rows of three terminals each. Looking at the switch with the terminals facing towards you, we will refer to the top row of terminals as "1," "2" and "3" and the bottom row as "4," "5" and "6."
- 2). Strip about 1/4 inch of insulation off the end of a wire and solder it to terminal "1." Repeat this process with a second piece of wire, soldering it to terminal "4."
- 3). Strip the ends of a short piece of wire and use it to connect terminal "1" to terminal "6." Solder the ends in place.
- 4). Strip the ends of a short piece of wire and use it to connect terminal "4" to terminal "3." Solder the wire's ends in place.
- 5). Solder a wire to terminal "2" and connect it to the positive terminal on the DC motor. Likewise, solder a wire to terminal "5" and connect it to the negative terminal on the motor.
- 6). Connect the wire coming from terminal "1" on the switch to the positive battery terminal. Connect the wire attached to terminal "4" to the negative battery terminal.
- 7). Use the three-way switch to select motor operation. The middle position is the "off" position. The two outside switch positions select between "forward" and "reverse" motor operation.
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