Do a search on Light bar wiring diagram on suzuki sites. I found it there. If you still need it today, send me an e-mail, and I will send it. Generally ther are 4 wire. Two go to the battery, one goes to the Aux wire and the last goes to the light bar. There are 5 wires, there is a choice if you want it to make up or disconnect the light bar when it sees power on the Aux. So you only use 4 of the wires. The way it works, is, the Aux fires a electromagnetic switch that makes up the connection between the hot wire on the battery to the Light bar. So the power does not go through the ignition switch, like designed. The switch only supports enough power to send a signal to the relay, not the full 70 - 80 Watts the lights pull. So the tax on the Ignition Switch goes up slightly over not having a light bar, but not as much as the power required by the light bar, keeping the switch from heating up as much. If you pull out your key after having the light bar on for a while, and the key is hot, you are a candidate for a relay. It is much safer to put all added electronics on a relay, and in Suzuki's case, even when you add a factory light bar. If someone knows how to post a diagram, let me know, I will send it. I don't know the guy that first posted it, so I cannot give him credit, sorry.
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