Trailer hitch wiring yaris 2012

[Strider199]

Originally Posted by WeeYari

Sounds like you need a wiring harness which takes a direct power feed from the battery.

Well I finally found a tail light converter which has the capability to be wired directly to the battery's positive terminal. I ran the 12 volt positive wire from the battery, under the vehicle zipped tied to the brake lines all the way back to under the spare tire. Then I poked a hole in one of the rubber grommets in the hatch floor and into the Reese powered converter (#78104). Hooked up the rest of the harness and tried it out.

It all works!
Thanks WeeYari and CTScott for the assistance.

Note, the ground at the left tail light isn't the best. I used one of the studs coming from under the hatch floor as a ground and the voltage stayed true.