https://www.youtube.com/watch?v=J3-Iq3bhfLw
Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/17/hE/tail-light-assemblies Your Chevy car or truck has a tail light out, but the bulb is still good, so what's the problem? There's only one wire connected to the tail light, and the other bulbs work. In this case, its the power distributing circuit board that the bulbs plug into! In this video, Len shows you how to test tail lights without any extra tools, and how for GM vehicles in particular, the extra circuit board can be the problem!
0:00 Common Chevy Car or Truck Problem: Tail Light Circuit Board Failure! You Can Easily Replace It!
0:43 Testing All of the Rear Lights
1:56 One Wiring Harness Total Where Most Vehicles Have One Per Bulb
2:53 Easy Tool Free Tests: Swapping Around Known Working Parts
5:51 You Can Even Get the Whole Assembly Together!
6:37 SUBSCRIBE! | Shop 1AAuto.com Link Below!