Question about 2003 Chevrolet TrailBlazer
It does take diagnostics on this. You have a switch, wires(of course) 2 computers and the latch to check. First is to check the wires. Open the hatch. At the top you will see a rubber boot from the hatch to the body. This is were the wires break. Don't try to repair them there. Pull them back both ways and splice in wires. Yes you have to pull the hatch panel and pull the head liner down enough to work. This is a start. You also need a volt/ohm meter and the codes for the BCM and rear hatch module.
Posted on Dec 20, 2016
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Posted on Jan 02, 2017
I had the same problem onmy dad's Jeep KJ (Cherokee/Liberty) so i went ahead and unbolted the tailgate handle;
First you need to take off the plastic inner tailgate cover (doh), then carefully pry away the the black liner and you'll see 2x 10mm hex nuts, unscrew both. Then on the latch outer side of the tailgate remove the upper 2 torx screws, then loosen one of the clamps of the connecting rod between latch and handle.
While pulling out on the handle (needed to clear the mechanism from the sheetmetal) you'll be able to carefully remove the complete doorhandle assembly.
There's still one wireloom attached to the handle, this is the culprit, It's the little actuator switch that's need liberal amounts of lubricant such as WD40 or similar.
I actually removed the switch and pushed it several times to full stroke after i lubricated it, then reconnected it and presto! The rear window unlocked every single time by means of the doorhandle instead of using the wireless remote...
Easy fix, done in half an hour. Saved you $ 300 on parts and labour
Nathan ter Stege (the Netherlands)
Posted on Jan 13, 2009
there are little metal rods that connect to the handle of the tailgate, just like the rods that connect your door handles to the door hinges and lock mechanism. just pop off the plastic cover over the tailgate handle and check and see if the rods are still connected to the handle.
Posted on Apr 03, 2009
you have a short to power which will cause it to stay on constantly check your blower motor resistor pack to ensure that it is working and check the wires going to the blower to make sure you have a power and a ground
Posted on Jun 29, 2009
I am not sure how to manually release the latch....
if it is electronic, i would check the fuse for it.....normally though on the inside there is a little access to things like that, so you can manually open it...would be like a small lever.
Posted on Jul 07, 2009
I just replaced the low-beam bulb on my 2003 Chevy Trailblazer. The grill just needs to be loosed slightly. Then, raise two L shaped brackets, one on each side. For the inside one, I needed to use a flathead screwdriver to get to it. The light assembly can then be pulled out. Remove the rubber cover and rotate the bulb one quarter turn left to release it. Pull out the bulb, replace with a new one ($11.50) from Advance Auto Parts, and reverse the process. Once I figured it out, took about 10 minutes total.
Posted on Nov 06, 2009
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