Originally Posted by 45longcolt
With my new 08 Taco I got a small wiring harness that came with it. Is this the 4 conductor pigtail? It was in a plastic bag in the glove box.
The connector that was in the glove box is the brake controller pigtail.
Click on the brake controller link in my signature to read more about it.
With the tow package your truck should already have the 7-pin round RV style plug at the rear bumper.
To tow something like a boat with a 4-flat plug you would need a 7-way round male to 4-flat female adapter.
Ordinarily I do not recommend OEM over aftermarket pieces, but in this case I do as for some reason the aftermarket adapter that my father has for his Ford did not lock in correctly to the plug on my Tacoma. The lights on the boat trailer worked, but it was not locked in and secure.