I've seen plenty of tips on how to run power for some of the older f150's, but none for a 2009. Any suggestions on how to run the power for a 2009 from the battery to behind the rear seats?
I'd like to keep the power inside instead of running it externally down the frame rail.

So, if anyone can point me to which grommet (and where to find it) would work, that would be helpful.

Thanks