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I have a pair of PIAA 40 Series driving lights that I have had for about 20 years new in the box. They will mount perfectly on the front HD bumper without drilling holes. The lights came with a wiring harness and an attached pre-wired switch. I want to use the upfitter switch number 1. I am terrible with electrics and looking at the diagram I cannot figure out how to connect the harness wiring to the wiring behind the grill. Any advice would be appreciated. This is the wiring diagram that came with the lights. I don't want to melt my wiring by screwing up.
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