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So the ls3 and tr6060 I got out of a 2015 Camaro ss came with everything including wiring harness. When I spoke to fueled racing I was told I can actually use that wiring harness. If so can someone please explain and help guide me into the right direction. From what I do understand I will have to get aftermarket gauges if I use the GM harness. Any info and tips will be greatly appreciated.