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  1. Multile replacements of blower motor wiring harness

    The 02-09 "How-To" and DIY Section
    Hi, I'm new to the site and coouldn't find and answer to my problem, if there is one. My 2008 Chevy Trailblazer blower motor wiring harness/connector continuously goes bad. The first symptom is fan speed #4 quits working. I’m on my third harness which was just replaced 3 months ago. The...
  2. Need Harness Help for 02 Blazer for Android Head Unit Install

    Audio and Electronics
    I have a 2002 Trailblazer with a Bose stock radio which I am replacing with an android head unit. I understand I need a certain type of wiring harness however,I don't need On-Star or the steering wheel controls but I would like to retain the chimes. I already have 2 15's installed and my own...
  3. Engine swap questions???

    Engine Tunes/Mods
    Hello All, First time poster but I've been lurking for a while. I'm wanting to swap a 4200 into an 87 Jeep Wrangler, my plans are to convert the jeep to 2wd, lower it a little, install the 4200 and turbo it with an auto trans. My questions are which year engine and harness to use. I want to use...
  4. [SOLVED] Cross-Vehicle Wiring Harness Diagram?

    The 02-09 "How-To" and DIY Section
    Hello, I have recently replaced my head gasket in my 2004 trailblazer, 4.2I 4x4. Everything went back as it should, I put the valve cover back on, got everything connected. Here is my delima. When you put the wiring harness back on top of the valve cover, and you have 2 main wires that run up...
  5. 2005 Trailblazer stock radio harness.

    Audio and Electronics
    I made the mistake of disconnecting the factory harness to put in an aftermarket stereo. I couldn't get it to work so I bought the GMOS-04 and now have no idea how to put the factory harness back together. Some of the pins became disconnected and I reconnected them but I dont think to the right...
  6. Blower Motor Resistor Pack - Harness/Splice help -- tearing out my hair

    General
    Ok -- so i've been digging through google and the forums and everything I can find states that the 3prong pack is for ATC and the 7prong pack is for manual HVAC controls. 3prong - http://imgur.com/OjRTP 7prong - http://imgur.com/WI6rO However, autozone, oreilies, and Chevy itself tell me the...
  7. PO753 error code

    OEM Issues
    Hello all. I have an 04 Trailblazer EXT, V6, with approx 120K miles. I have recently put about $3000 dollars back into this vehicle after 2 years of abuse by my soon to be ex-wife. This includes brakes all the way around, including calipers, tires, headlights, cleaning, oil change, etc. I had...
  8. 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...
  9. I cant instal my New Stereo!!! ugghhh

    Audio and Electronics
    2002 tb ls. i can not figure this one out. i connected all of the speaker wires done now i cant get power! THe old ground is sittin out in the open do i ground it,, or just the Harness ground that came with the stereo. What wire do i connect for the main supply? :bonk:also the second small...
  10. 2002 Envoy After Market Stereo help.

    Audio and Electronics
    ive been looking at getting a new after market dash installed into my 2002 Envoy. I started to look for stereos and find the best blah blah.. When i went to my local stereo store, they told me that because i have a "newer" GM car, that ill need to get a harness for my stereo if i wanted my door...
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