Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner


  1. 2006 Envoy XL Quiet Speakers and Right Side Tinny/No Sound

    Audio and Electronics
    This title is pretty well self explanatory but I’ll try and explain better. I have an 06’ Envoy XL that was given to me by my grandparents as a first car(because my grandmother got a new car and she never drove this.) It’s a good running car after a few mice issues(chewed wires,) with only...
  2. Bose system for sale

    Audio and Electronics
    I have all components for a Bose system out of a 2006 GMC Envoy Head unit, amp, all 6 speakers in great working condition $200, will pack and ship for an estimated cost ...could not upload pics, need to resize. PM me an email addy and I will send pics:hopeless
  3. GMOS-04 wiring harness diagram

    Audio and Electronics
    Hi, I have a trailblazer 2004 and a gmos-04 device without the wiring, can someone send me some photos to build it? Thank :)
  4. O.E.M. radio part#

    Audio and Electronics
    I have an 06 TB, and the previous owner installed a cheap aftermarket radio. I want to put a factory radio back in, and I would like to find the part#, or if a radio from a different vehicle would hook right up? Thanks
  5. 2008 Envoy Radio Install.

    Audio and Electronics
    Hey all, I was looking through some of the post as well as googling trying to find a wire diagram for the radio in a 2008 Envoy (no onstar, no bose, and no steering wheel control) with no luck. I'm using a Metra 70-2003 wiring harness because I don't feel like paying 70-100$ just to hear the...
  6. All left side speakers - audio failure

    Audio and Electronics
    I searched all the forums but none of them seem to have my problem. My TB is an 07 with the AM/FM CD option. Everything is OEM for now. Without explanation or reason, all left side speakers have gone silent at the same time. The outage is in all stereo modes; AM, FM and the CD. Using the...
  7. 2008 Envoy Amplifier location and more

    Hi, I'm Lewis and I just bought a used 2008 GMC Envoy. The radio works but it appears the amplifier isn't working except on the front passenger side. The radio doesn't say Bose on it so I'm not sure if it's a Bose system or not. I don't think so. Anyway, I'm trying to find out where the...
  8. [SOLVED] Backup Camera

    Audio and Electronics
    Hello all. I recently installed a new head unit with DVD and am adding a backup camera. I have the camera installed, including powering the camera from the reverse lights and the RCA cord is connected to my head unit. I now need to tap into the reverse light wire from the head unit so that it...
  9. boise stereo error

    Audio and Electronics
    I have an 03 trailblazer with a 6cd boise stereo and my radio works but my cd wont work and when I try and eject the cd's it says player error...Any suggestions before I tear it out?
  10. Will these speakers work?

    Audio and Electronics
    I saw these speakers today at best buy and instantly loved them, but according to Crutchfield the set of speakers won't fit and i don't know if Crutchfield is correct. I don't see why they wouldn't fit, but if someone could give me some more insight, that would be great. If they won't work what...
  11. [SOLVED] How many bulbs? (not solved)

    The "How-To" and DIY Section
    I'm have all of my bulbs slowly going out one by one in my cluster, stereo, and ac controls (front digital). Does anyone know how many bulbs are in each. I'm planning in replacing with LEDs and not sure how many to order. Thanks in advance. ~ 2003 trailblazer, 4x4, 4.2, non-Bose
  12. radio doesnt work

    OEM Issues
    in my 04 trailblazer, the radio had a cd that wouldnt eject. Then I got back from a deployment after some battery issues and now the entire radio doesnt work. I try to turn it on but it doesnt. If i hit the tune nob, the time will come on for like 10 sec then it does off again. Cd still wont...
  13. Hello

    Just introducing myself as new. Putting a new sound system in my Envoy and found a lot of great info here. Will be checking in a lot. Looking at putting a Pioneer head unit and amp, and maybe some Polk speakers. Any advice would be accepted. Thanks!
  14. Audio interference after cold starts

    Happy holidays, all! Thought I would share this little inconvenience to see if folks have any ideas on a diagnosis of what is going on with my 2007 Trailblazer LT. It is getting colder in Wisconsin ... into the 30s. In the morning, after start-up, I am getting various types of interference in...
  15. How Should I do my Car audio build?

    Audio and Electronics
    I'm looking to install all of my car audio myself in my 2006 LT Trailblazer with the bose/onstar system in it. I am going to be running 0 gauge power wire, Pioneer DEH-P8300Ub head unit, 2 MTX Thunder 8000 12" subs. wondering if i Should replace the speakers also and get a new speaker amp or if...
  16. Stock Stereo Wiring Guide

    Audio and Electronics
    I was trying to install a new head unit in my 04 trailblazer and damaged the stock wiring plugs. I ordered new ones but the colors do not match up. Could some one show me which wire goes in which pin for the 24 pin plug and the 12 pin plug. Thanks.
  17. Stereo & Chime Problems

    Audio and Electronics
    I have a 2004 Trailblazer LT with the factory stereo, the rear speakers for the stereo do not work, it does have the stereo/heater control panel for the rear passengers. The front speakers cut in and out all the time. When the front speakers are working, the door chimes/seatbelt chimes work...
  18. Amp Problems (2004)

    I installed an aftermarket headunit and amp in my 04 Trailblazer LS, now when i turn the vehicle on the RMS's go up and down, Can anyone help?
  19. old dash and Interior at Night

    old dash and Interior at Night

    My dash/spedometer I made blue with white needles, my GlowShift gauges on my pillar (top down are vacuum, Wideband o2/ air fuel, oil temp) my sony xplod stereo head unit, toggle switches for my HID fog lights, my blue Halos, then my glove box GlowShift gauges I designed to fit (Lt to Rt are tra
  20. New Pioneer Radio Installation

    Audio and Electronics
    My first post on a new forum, however i am not a stranger to forums nor search functions so BEFORE the flaming begins, I HAVE SEARCHED! :) I bought a Pioneer AVH-P3200BT headunit which had touchscreen, DVD, etc. Ive only owned the truck for about 2 months so I don't know ALOT about what I...