Here's a step by step
http://forums.trailvoy.com/showthread.php?t=59485
Trailblazer enthusiasts will cover all the subjects including brake jobs at www.trailvoy.com
WHICH brake light?
Yes.
All vehicles have brake pads.mine has disk brakes and the pads take about 10 minutes a piece to change.
Change the ignition switch. About 40$ and 30 mins of your time. Had it happen on several Trailblazers and envoys.
how to change the rear tail light bulb on a 2004 Nissan maxima
Change the brake pads sensors. You must change them after every brake pad swap.
How to change the brake switch on a 2004 Jeep grand Cherokee Laredo
remove and replace engine coolant temperature(ect)/chevy 2004 trailblazer
AnswerIgnition on - engine off - floor the gas pedal 3 times. That's it!
see "how too replace water pump on 2002 Trailblazer"
Seeing as your not that savvy.. take it to a 'lube shop let them change your oil