Had this on my 2012 Tacoma but it's a nice trailer brake controller with the pigtail already installed to plug into the Toyota factory harness.
$50
https://www.amazon.com/Tekonsha-90160-Primus-Electronic-Control/dp/B001P11SCM
They came off a 4th gen 4runner but I believe they'll fit tacomas, fj cruisers, 5th gen etc. but you'd need to verify. Happy to ship, just send me a PM.