Speaking from personal experience with the 4 LEDs I have on the rear bumper wired in as additional backup lights: I would recommend wiring them into the switch pod you have so you can turn them on and off when you need them.
I used a relay and 2 switches. I have one that will turn them on when reverse is selected & the other is just on at any time.
Switch 1 goes from reversing lights to relay trigger, switch 2 is from permanent power to relay trigger. Then just permanent power to relay main for the rear floods. I put the relay just under the carpet in the back corner near where the cage comes down.