The tail light wiring harness in the cargo area is not protected very well. As a result it may become damaged due to normal wear a tear. This damage can causing some or all of the rear lights to stop working.
Car Problem Reports
GMC Savana 2500 Tail Light Wiring in Cargo Area May be Damaged
GMC Savana 2500 Problem
Visitor, 2004 GMC Savana 2500
left tail light isn't working there is no power to it but the turn signal and brake still work and it interfiers with my trailer lights
I keep burning my fuse on my right stop light. I changed the trail plug recepticals and the wires for the one inside the bed but it didn't help. looking for any suggestions