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It is an undercar kit... the transformer had one red wire and a metal plate, and 2 black wires commin off the other end. When i went to jaycar he said he would assume the red with the fuse goes to a 12v power source, the metal plate grounds to the chasis, and the other 2 black wires would connect up to either end of the neons... However there is some heat damage to the plastic under the transformer where it looks like its blown. The diagram that came with the kit did a really poor job of explaining the wiring, it had the colours of the cables in reverse and was hard to make heads or tales off....

If u wire up a transformer in reverse it can blow yeah??

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