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  1. OEM Issues
    Im the proud owner of a 2005 Chevy Trailblazer Ext. I bought the vehicle about 4 years ago; from someone who must have only ever changed the oil and put gas in it.😅 I have replaced a lot of original parts within its time with me and I must say, it drives solid as hell for a 18 year old vehicle...
  2. 02-09 General Tech Q&A
    I made the mistake of letting a friend replace my ignition switch , he changed the placement on both the new and old switch and it took a few trys to get it where the radio wouldn't come on or lights without the key in the ignition ...I don't think it's still in the right placement though...
  3. OEM Issues
    Hello. Have read thru a 100 IS posts but have yet to read any with same issue. So I replaced the ignition switch on my 06 TB EXT. because all the lights on the dash would stay on after it started. Thought maybe starter was staying engaged. So after I replaced the IS the truck starts in the run...
  4. OEM Issues
    2005 GMC Envoy XL Denali 5.3L 170,xxx Miles Back story: about two years ago I had issues with the car intermittently cranks but wont start. I tried and ignition switch with no luck. did some more checking of the fuse block and read lots of issues with the fuse block so I went and ordered one...
  5. 02-09 Vortec 4.2L I-6 Engine and Drivetrain
    First off, battery light dim on dash Been like that for two weeks. New alternator and battery a year ago Then today, I turned key back to turn off car, and heard a pop.... Then radio reset to 1200 and then tried again and did it again. Then fine. Heard ignition switches are an issue and...
  6. OEM Issues
    I am having a no crank issue on my 2005 TB, chasing down a bunch of different possibilities. But here's one: The self-test that is supposed to illuminate all of the yellow and red lights on the instrument cluster does not occur when I turn the key to Run. I hear normal sounds of a fuel pump and...
  7. OEM Issues
    Hi Gang, My 2006 Trailblazer has been acting up again. It left my wife stranded, and now I am attempting to troubleshoot. Initially, it seemed that the engine would crank only and not start. After getting it towed home and into the shop, as I was checking fuel pressure at the rail, I...
  8. General
    I have an 02 TB LS and earlier when I arrived at the store I put the car in park and turned the engine off but when I tried taking the key out it wouldn't come out. It was stuck for a while until I discovered the magic button under the steering colum that frees the key. When I finally got it out...
  9. OEM Issues
    I'm having some issues with my 04 TB. The other morning the had a died battery. I was able to jump the TB. I noticed my check engine light will remain on while the truck is off. (Which tells me one of my systems is staying on while my car is off, which would explain why the battery is drawing...
  10. General
    Turn the key all lights on, but sometimes the starter does not engage. Installed new battery, changed the Starter relay , worked fine a few days and then it works or not. Removed starter and had it checked at Starter Shop- Starter fine. Any suggestions as to what else could be wrong?
  11. The 02-09 "How-To" and DIY Section
    Hi guys my 2007 envoy won't start all the time. When I turn the key it doesn't even click. I have lights and radio and such. After a few turns of the key it will usually start. I'm thinking maybe the ignition switch but I'm not sure any help would be appreciated Thanks Chad
  12. General
    Ok 02 envoy 154,000 miles -- I think I might need a new ignition tumbler?? Sometimes I go to start it nothing all the idiot lights and all come on but nothing. Sometime it will start the next time and sometimes it takes a few tries. I was thinking starting there since its a cheap...
  13. OEM Issues
    So I've lurked these forums a little while, but finally joined in hopes of fixing the troubles that ale me! I've got a 2004 Trailblazer LT (4.2 v6, 4x4) I just bought about 45 days ago. I've had the same battery draining issue that multiple other TB owners have had: try to start in the...
  14. General
    Hey! Alright so this is my first post on here so ill try to pass along as much info as I can. I have a 2006 trailblazer lt 2wd. I have owned for a few years now but within the past week I have been having electrical problems. After I turn off the car, I lose all power. I cant even use keyless...
  15. General
    Hey! Alright so this is my first post on here so ill try to pass along as much info as I can. I have a 2006 trailblazer lt 2wd. I have owned for a few years now but within the past week I have been having electrical problems. After I turn off the car, I lose all power. I cant even use keyless...
  16. The 02-09 "How-To" and DIY Section
    My troubles all started after I brought my 02 trailblazer to AutoZone for them to diagnose why my check engine light was on. The result was that my fan wasn't running as optimally as usual, and he said, "Your fan is still working and your SUV isn't overheating so I wouldn't worry about it too...
  17. OEM Issues
    Hi all, I'm having issues with my car. My 05 envoy was having intermittent starting issues for 3 months. I read on here that it could be the starter relay. I replaced that. Thought that fixed it. No dice! It started acting up again last week and taking the relay out and re-installing it...
  18. OEM Issues
    So here is the deal, I have a 2003 Trailblazer, 4.2 L I6, and earlier this week I went out to start it and nothing. Just put a brand new battery in and the lights come on and do not dim when I turn the key so I know it is not a bad battery. I troubleshoot and decide it could be the ignition...
  19. OEM Issues
    Hey guys...been having a problem with starting my car lately, or should i say again... Last year, i had my car starter removed, car went to the dealer, with no answer to what was happening, since it started everytime for them... well a few days later, it happened again...so Last year, i...
  20. General
    I have an 02 Envoy and need some help. I am 2 hours from home and it will not start. All lights work, battery meter reads 14 and is only 6 months old. When I attempt to start it i get a breif "rrr" and then nothing. Tried to jump start it and still does the same thing. For now i simply need...
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