brake controllers are required by law, if the trailer has electric brakes, which nearly all travel trailers have.
so, unless your Tundra has an integrated brake controller, which i don't think it does, you have to have one.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC