open your tailgate. there are two Phillips head screws along the side of the bed that hold the tail lite housing in place. remove those and you can pull the whole housing out giving you access to the bulbs. pull the harness off and twist out the bulb in question.
remve the tail light they are on the back side.
the tail light is screwed in from the inside of the bed of the truck
It should if it is the round body style such as 2001 or 2002.
Yes, they are direct bolt in
where are the bolts?
Soak it in lube.
Open trunk, locate inside of tail light, unscrew thumb screws behind tail light. Pull out tail light. Be careful not to drop it. Keep one hand on the outside of the tail light.
I don't think you can replace just cover. Usually you have to get a new tail light.
It's pretty easy as the 2003. Follow the steps in the link below. http://articles.dashzracing.com/chevy-silverado-2003-2004-2005-2006-diy-tail-lights-installation-chrome-black/
you don't replace the tail light you just replace the bulb in it
Yes, They can be switched.
If you can't get to the back of the light through the trunk, you have to remove the light to change the bulb from the rear.