I had the same problem on my 2002 Trailblazer back in summer of 2004. I noticed that my light wasn't lit up either. I took it in to the dealer and was told that my four wheel drive hadn't been working probably since the day I purchased the car (new). This alarmed me since I had just returned from a trip out Westdriving the car to the top of Pike's Peak with out four wheel drive. GM covered the cost of the repair.
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.
1- the light switch, or 2- the wiring on the plug to the light switch from the car, or 3- a blown fuse
If you brake lights are not working on your trailblazer it could be due to a number of reasons. Your fuse could be blown, or your light may no longer work.
There could be several reasons why the ceiling light is not working, such as a burnt-out light bulb, a faulty switch, a tripped circuit breaker, or a problem with the wiring. It is important to check these potential issues to determine the cause of the problem.
We found the relay check lamp was the problem after replacement of vehicles stop light switch.
Have you checked the daytime running light module?
There could be several reasons why your ceiling fan light switch is not working. It could be due to a faulty switch, a loose connection, a blown fuse, or a problem with the wiring. It is recommended to check these potential issues and consult a professional electrician if needed.
Your ceiling fan light may not be working due to a variety of reasons, such as a burnt-out light bulb, a faulty light switch, a problem with the wiring, or a malfunction in the fan's light kit. It is recommended to check these components and troubleshoot the issue to determine the exact cause of the problem.
Running light does not work what is the problem
Check the brake light bulbs, Check the brake light fuse, Check the brake light switch, In that order.
Probably a faulty ignition switch. learn more at www.trailvoy.com Trailblazer enthusiasts website.
The light switch may not be working because of a faulty connection or wiring issue, even though the light itself is on. It is possible that the switch is not properly controlling the flow of electricity to the light.