2002 Chevrolet TrailBlazer "replace third brake light 04" Questions

...third brake light? Need to repair/replace bulb. Aware of the 04 upgrade for $600. Too steep. Open the full hatch. Pull down the weather strip near the rear dome light. There should be a wire with a ...

...replace #4 if that is the code. They are $59.00 and tax at auto part store. I believe you need a 7mm socket and short 7mm wrench. Remove coil cover on top of valve cover,then coil. All same tools. ...

...third center brake light, it's broken at the steering wheel turn signal. The unit that runs your turn signals, also works the center brake light. Can be replaced, if you know any good shadetree ...