I searched and didn't see a thread about this anywhere here so I thought I'd bring it up. After discovering that the trailer backup lights didn't work with my 2010 4wd TRD Sport I confirmed the problem was in the truck not the trailer. Long story short is that Toyota failed to install the...
I noticed the trailer back-up lights weren't working and I believe never have. This is a 2010 Taco with towing pkg from factory and no wiring modifications. Truck B/U lights work fine. I have continuity between the trailer connector pin and the first connection in the truck cab (white plastic...