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Today I'm going to take a look at the 12-inch long three-wire extension harness with PL3 plugs, for Peterson trailer lights. Now this three-wire harness provides 12 additional inches of wiring between your light and the trailer wiring harness. It is designed specifically for you to stop tail turn lights, parking and turn lights, and warning lights with PL3 connections. Now you can see on this end… see more >
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