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4 Pin Trailer Harness Wiring Diagram : 19 Luxury 4 Pin Trailer Harness
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5 pin trailer wiring harnessConnectors prong lakes boating 4 pin flat trailer wiring harness kit [wishbone-style] [sae j1128 rated.
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![4 Pin Flat Trailer Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated](https://i2.wp.com/images-na.ssl-images-amazon.com/images/I/51RQSfQiECL.jpg)