ARE DCU Main Input Junction Box #21870

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This is the main junction box for ARE DCU truck caps that are built with interior dome lights and a third brake light. This box is typically located on the driver side rear corner of the truck cap. It has a three prong connection for the power wires coming into it and then two different output connections. One is for the third brake light, the other is for the interior dome light. The box includes a in 5amp fuse. Please view images to make sure this is the correct style of box you require.