This should help out, same concept, unless you want your lights triggered by the standard reverse lights and the switch, then it get's a little more complicated but not bad. Where it says "Brown wire in Main headlamp switch: Parking Lamps" that can just be any 12v + Positive source.
http://www.propickupmag.com/files/2011/06/aux-light-wiring-diagram.jpg
More than likely the part you need for the switch is just female disconnect connectors like this:
http://i.ebayimg.com/t/25-pcs-Female-Disconnect-wire-crimp-on-insulated-Red-Blue-Yellow-/00/s/NTg4WDg4MQ==/$(KGrHqR,!ogFBuwg462JBQffyfv8bw~~60_35.JPG
Walmart should have them, different colors are different wire gauges