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electrical problems

  1. General
    I have a Trailblazer 2003 LTZ 80000miles This does not work: Volt meter, rear wiper, rear windows, power door locks, interior lights, instrument cluster lights, shows security and unknown driver, no high beam. Some of the steering wheel controls does not work. All fuses ok. car starts. Cleaned...
  2. Audio and Electronics
    Hello everybody,first of all I apologize for my english, it is not my native language and i am trying to do the best. I have a 2003 Trailblazer. Since I bought it, the passenger door hasnt worked good, it has some weird problems and i was hoping if someone might have some insight to help me on...
  3. Interior
    My blower motor recently quit working on my 02 trailblazer LT. My vehicle has the digital climate control. When I test the voltage across the male end of the connection that plugs directly into the blower motor I get between 0V (when the blower is turned off) and 5V (when the blower is on high)...
  4. 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...
  5. The 02-09 "How-To" and DIY Section
    I have a 2005 Trailblazer LS, 2WD that has an odd problem. I have a no start condition that randomly happens. I am a little frustrated as I cannot pin point the problem and here are the issues when the problem is happening: Driver Door will not activate the dome light Turn the ignition and...
  6. OEM Issues
    I went to a local trans shop and they ran the codes for me, shift solenoid a&b, torque convertor solenoid, as well as a couple others (5 codes total). The guy at the shop said it sounds to him that the trans isn't getting any power. I have checked most of my fuses and they all seem in perfect...
  7. General
    I have a 05 Envoy. I have been having problems with the heater, and now it has seem to move to more of the electrical in the truck. In the last week and a half I have had to use a battery charger twice to start the truck. Once I do that and give my dad a ride to work the battery will stay...
  8. General
    I have had a long running issue with the heating and cooling of the cabin of my 06 Envoy. The A/C blows nice and cool, and the heat blows really nice and warm. However the problem is that it will only blow super cold, or super hot. There is no in between. If I am running the A/C it will blow...
  9. OEM Issues
    I have had a long running issue with the heating and cooling of the cabin of my 06 Envoy. The A/C blows nice and cool, and the heat blows really nice and warm. However the problem is that it will only blow super cold, or super hot. There is no in between. If I am running the A/C it will blow...
  10. General
    I have a 2006 Chevy Trailblazer LS. Vehicle has modifications: Remote starter, works off door lock switch press three times and it starts vehicle; I replaced the original bose 6 disk stereo with GM factory Nav radio (used off ebay); I have a Q-Logic 10” custom sub in the back with a Pioneer...
  11. Audio and Electronics
    2002 Chevy TB Base Model----I need to find the reverse gear wire in my dash for my after market lcd/radio, I'm hooking it up to my rear view camera. It has all the connections I just need to locate the wire and color to activate the reverse option of the screen... also which wires are best to...
  12. General
    I'm a new member here (just joined about an hour ago lol). I've heard of the site before and figured I'd join, since I now own a Trailblazer and would like some excellent advice/tips for fixin up my ride :) My problem is that sometimes, randomly, my dash will read "service Onstar (which I don't...
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