1995 Chevrolet 1500 Pickup Q&A

1995 Chevrolet 1500 Pickup Question: third brake light works others do not

I checked bulbs,connections in wiring harnnes,checked for voltage under bed where harnnes splits off -
Answer 1
Get a wiring diagram and see where this might be losing voltage. Find a good diagram here: http://bit.ly/mitchell_repair_manuals_online -