Note: Included Upfitter / Aftermarket Switch System Wiring Harness does not include its own switch, it is designed to be used with an auxiliary switch system that has onboard fuses and relays.Recommended Fuse Sizes-SAE/Low Power Mode ? 15 AMP Fuse-High Power Mode ? 25 AMP Fuse. POWER MODES-Street Mode: The FE3s turn on with the SAE Fog Beam activated, while the Amber Backlights on the FE1s illuminate as well. Off-Road Mode: The high-power mode on both the FE3s and FE1s turns on; the FE3s feature a fog beam plus a spot beam. WHAT'S IN THE BOX-(1) Upfitter / Aftermarket Switch System Wiring Harness FLEX ERA 3 Dual Mode SAE Fog Lights:-(2) FLEX ERA 3 Dual Mode SAE Fog Light-(1) Driver Side Bracket-(1) Passenger Side Bracket-(2) FLEX ERA 3 SAE Clear Combo Beam Lens (pre-installed)-(2) FLEX ERA 3 SAE SAE Selective Yellow Combo Beam Lens-(2) FLEX ERA 3 Lens Replacement O-RingFLEX ERA 1 Lights:-(4) FLEX ERA 1 Light in Spread Beam Pattern-(2) Driver Side Bracket-(2) Passenger Side Bracket-(4) FLEX ERA 1 Flood Beam Lens-(4) FLEX ERA 1 Spot Beam Lens-(4) FLEX ERA 1 KC Logo Black / Yellow Cover-(4) FLEX ERA 1 Lens Replacement O-Ring