run a wire to the blue wire and then splice the other end into the red wire. Then run a green/blue wire to the red/yellow wire. Put toggle switch in and run the ground side to the yellow wire with red stripe (splice it). then run the signal lead to the green wire with the pink stripe (not the pink dashed wire). Then put a .1 ohm resistor between the green wire with the gray dashes. Make sure to cut the purple wire that has pink dashes on it and ground it out from the magnetic side. Run the other part of the cut wire to your relay and on to your single side of your toggle. run the hot and ground to the relay direct from battery or a very good ground and positive lead. That should do it for you. Make sue the runs that splice connections have no resistance drop either.
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EDIT: dont forget to cut into the RT463 connector thats inside the mated to the RT6452 connector. There is another connector that looks the same so be careful.