SUZCO SUZCO 25 Foot 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit, 4-Way Plug 4 Pin Male & Female Extension Connector & Wishbone-Style with 18 Gauge White Ground Wire with SAE J1128 $9 ...

Q:I am having a problem troubleshooting the trailer light plug on a 2002 Chevy Silverado. I get no power there. I've checked all the fuses and they're good. I expect it's a simple grounding ...