You have to take off the door panel first from there it will be real easy when you see the inside.
You can get a diagram for the power window assembly on a 2002 Chevy Trailblazer in the owner's manual. You can also find it at select auto part stores.
need help changing the belts on my Chevy trailblazer lt 2003
How do you change the spark plugs on a 2002 chavy trailblazer
remove and replace engine coolant temperature(ect)/chevy 2004 trailblazer
Call someone
I believe that the front and rear window fluid are in the same place
Seeing as your not that savvy.. take it to a 'lube shop let them change your oil
see "how too replace water pump on 2002 Trailblazer"
try this website --->www.trailvoy.com<--- they have alot of stuff to help you with your trailblazer i should know im a member my self i have a 2003 Chevy trailblazer Lt www.trailvoy.com
www.trailvoy.com
intermitting problem with no power at drivers door
If your Trailblazer is a 4x4 the switch should be to the left of the radio on the dash.