EZ Wiring Harness Question.

[Psycho71]

I bought, and installed my wiring harness from EZ. No complaints what-so-ever. Just one minor, or major, issue. I'm not sure which yet, So I'm asking for opinions here.

The set-up to the problem:

I wired the tail lights, turn signals/brake lights, and all at the rear of the truck. Independently everything works great. The Hazards, Tail Lights, Brake Lights, Turn Signals and Tag Light all work just fine. It all even works good when I have the headlights on.

Now for the problem. When I turn on the right blinker and hit the brakes, the left brake light lites up just fine.

But when I turn on the left blinker and hit the brakes, the right brake light will not come on!

I have been told that the turn signal switch(original) is bad. And I'm inclined to believe it since everything routes through it. Does this sound correct? The switch is not god awful pricey, but I do not want to spend the time ripping the column apart if the result will be the same. It sure seems like my wiring is correct since everything works independently of one another, and most everything jives with one another except this one issue.

Thanks,
Jay