Compression Ignition Addict
Join Date: Oct 2011
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I bought the the thin LED lights that you see on the side of 18 wheelers. I forgot the brand but I believe they were made my Truck-Lite. Most 18 wheeler repair shops, trailer shops, or truck stops would have them. Basically I bought the ones that have the chrome bezel that the lights sit in. I used small self tapping screws to secure them. They had two wires on the back, Red and Black. Red is the positive and Black is the negative. You can use the suitcase connectors or strip and splice connectors. The black wires can be grounded anywhere on the truck, I grounded mine to the frame since the frame is grounded to the battery. I hooked the red wires all together and ran a wire up through the floor board. There should be a few of those rubber knockouts in the floorboard or up on your firewall someplace to bring the wire in the cab. I hooked up one of those flip switches with the 2 screws on the back and put the switch on the dash. Take the wire from the lights and put it on one screw from the switch and then tie a hot wire into the other screw on the switch. You can use one of those push in fuses with a wire coming out that you can buy at any auto store or run a wire up to your battery going out the same way your brought in your LED lights.
Just tie all the black wires together and then ground those to the frame like above, and then run another wire and tie all the red wires from the lights and tie those to your hot wire for your clearance lights, say the amber lights by your headlights. Either way I described would work. Doing it this way you would not have to have a separate switch and they will come on when you turn on your factory lights.
Last edited by Lilfarmrboy; 09-08-2013 at 04:39 PM.