Connecting to the fused source is easier if you use a scotchlok connector. Attach one wire of the in line fuse holder to the middle post of the toggle switch.

For A 5 Way Toggle Switch Wiring Diagram H1 Wiring Diagram
How to wire toggle switch for lights. In this extremely common configuration a single switch is. Now fasten up the wires to the new toggle switch for the car headlights or the driving lights. Connections to the switch should be made with insulated solderless connectors. Connect the red wire that will be attached to the power supply to the longer prong on the toggle switch. Use wire strippers to remove about ½ inch of the insulation around the wires then attach the wire connectors onto each wire. If you cant connect the ground wire to the electrical box instead assuming its a metal electrical box.
Off the other side of the switch attach the wire leading to the positive on your battery. Connect a wire from the fused source to the center terminal of the toggle switch. If you cant do that or if your box is plastic wrap one turn of the ground wire around one of the screws that secures the switch to the box. Then tap your ground wire straight to the frame rail on a vehicle and leave it be. You may need to cut the end of your wires to tie up the blade connector to every end of the wire. This leaves your switch wiring clean.
Fasten the wires for the headlights and the driving lights to the toggle switch. Connect the common grounding bus and the shorter prong on the toggle switch with green wire. A modern residential light switch costs less than 1. Generally used in 12volt installs for on off switches. You can also take a wire stripper. There are screw types and blade types of connection points that may fasten up the wires in the right place.
This will probably require cutting the ends of the wires and fastening a blade connector to each end. In this video wiring guide we show how to wire a 7 terminal vjd1 d66b rocker switch to operate a boats navigation and anchor lights. The easiest way is connect the hot wire from your light to the switch. How to wire a toggle switch on off switch basic. Applies to spot switches non led switches basic 2 wire switches 2 prong.