If you have removed the 2 screws in side the bed at the tailgate and having problems getting the light cover off. The best way that I have found is to spray some WD40 up in on the 2 rubber posts that are inside behind the light. This should make it just pop right off.
How to remove bed rails from a dodge truck
You slowly remove it
Remove the ligth assy and unscrew it from the rear.
You must look for a circular cover in the truck of the car on the other side of the break light. Remove the cover, unscrew the screw, don't drop the screw into the space. Then remove the outside light carriage.
You have to unbolt it from the frame that attaches to the hood of the truck.
Easy 4 to 6 bolts.
Why would my 1984 Dodge pick up truck stall at the light when I stop
From behind the light bezel (under the truck) quarter turn and remove the lamp holder. Replace with an "893" type bulb
dodge truck beds bolt on from the bottom, you will need to remove the rear bumper assembly and the fuel filler neck from the side of the bed too. then just call a few friends to help lift.
Open the tail gate. Then look at the inside of the truck where the tail gate cables are and you will see 2 small screews, Remove them and the light will come out of the truck body.
remove the 4 10mm nuts under the plastic cover in the truck. the complete light assembly will then come off the car. then just twist socket to remove the bulb
Do you have to remove the battery and battery holder?la