I used an existing wire as a fish. I attached several pull strings to it and pulled it that way. I now have a couple spare pull strings for future pulls.
2017 Eagle 293RKDS, factory ordered, lots of mods and upgrades. More than I can list.
2018 Ram 3500 crew cab long bed SRW diesel 6spd Aisin 4wd Tradesman.
B&W Ram puck 5th wheel
Mopar wheel to wheel steps