OPT7 HD LED Light Bar Wiring Harness Off Road Relay Switch (40 Amp / 380w)
1.) Install the toggle switch to the 3 female spade connectors on the light bar harness (white, blue and black).
2.) Connect the 2 ring terminals on the light bar harness to the vehicle batter (red/ positive, black/ negative).
3.) Connect the male 9006 plug on the light bar to the female 9006 connector on the light bar harness.
Optional:
If using a wireless remote, plug the control box into the female 9006 connector on the light bar harness, before connecting your control box to the light bar.
http://www.opt-7.com/offroad-led-lightbar-40amp-relay-wiring-harness/