Quote:
Originally Posted by Jon in AZ
... You will need to upgrade your 4Runner to 7-round and add a brake controller before you tow.
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I edited that for you. I would not tow even an empty Casita with a 4Runner or similar midsized SUV without a brake controller, unless maybe its just once across town going slow and easy.
I'm surprised a 4Runner that has a Class III (2") tow reciever doesn't already have a 7 blade, my 2008 Tacoma came with one. The Tacoma didn't have the brake controller, but there was a plug for it behind the left drivers side kick panel, you just need a wiring adapter like...
https://www.etrailer.com/Accessories...ha/3041-P.html
The good news is, adding a 7 blade and brake controller isn't that hard. You need a fused 12V circuit run from the vehicle
battery for charging the RV battery, and you need a brake line that runs to under the dash, where you also need to find 'switched' power, ground, and the vehicle's brake pedal switch, these 4 wires go to a Tekonsha P2/P3 or equivalent brake controller. The existing 4 pin has the rest of the wires you need.