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3 Series Dual Row LED Cube Lights(Fog Beam) Part Number 30034 Installation Thanks to its on-board controller and included wiring harness, the Cube Lights do not need any additional wiring or plugs. Diagram for the wiring harness can be seen below.
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Connect the ring terminals to the battery. The RED wire is to be hooked to 12V+ and the BLACK wire is the 12V- (ground). Secure any loose wiring and ensure that the newly installed harness will not come into contact with any hot or moving parts.
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