If the upfitters are that delicate they only meant to trigger a relay, 20ga wire should be kept to a max of 5A, or about 60w per upfitter. Rigid claims their DSS in driving pattern consumes 4.07A @14.4v, which is [email protected] 12v. Meaning if your running more than a single set of pods off of your upfitters you need to invest in a relay. There are pre-wired kits available that take about 20 minutes to install if your meticulous with the zip ties. I don't understand why ford put 20a fuses behind 20ga wire.