LED Light Wiring Harness with Switch and Relay - Dual Complete Plug and Play wire harness for LED Work Lights and Off Road Light Bars. Includes On/Off switch with LED indicator, fuse, and automotive relay with solderless spade connections. See drawing below for dimensions. Maximum load of 15 Amps. Relays have 4 pin layout. Wiring harness 4.9/5(7)Founded: Apr 19, 2002 Amazon: led wiring harness with switch Led Light Bar Wiring Harness Kit With Switch (2 Lead),On-off Switch Wiring Harness For 4inch led pods 5inch off road lights 6 inch led light bar Universal Fitment Light Bar Accessories. by NAO. $13 $ 13 99 Prime. FREE Shipping on eligible orders. 4.2 out of 5 stars 116.