There is a circut board that has a history of failing in these trucks. It is located up behind the glove box so you have to remove the panel below and it can be seen and easily removed and replaced. This board controls the fan speeds and this is why it does not work on some of the settings.
When service engine light is on on a 2003 Chevy Trailblazer, the problem could be a faulty thermostat, a circuit range performance problem, or any other problem.
The 2003 Chevrolet trailblazer air conditioning line can be found on the air conditioning compressor. The line goes from the compressor to the firewall. The line will go through the firewall to the air conditioner core.
Running light does not work what is the problem
Where is the starter on a 2004 Chevy trailblazer.
Yes, Chevy Trailblazer SS rims will fit on a Chevy Trailblazer LS.
The refrigerant capacity for a 2004 Chevrolet Trailblazer with front and rear air conditioning is 48 ounces. The capacity in front only air conditioning models is 29 ounces.
tune up chevy trailblazer
I have the exact same problem right now with a 2004 trailblazer... any discoveries?
intermitting problem with no power at drivers door
Problem with the 4 wheel drive
2002 Chevy trailblazer has a 6 lug bolt
where is the O2 sensor on a 2002 chevy trailblazer