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1-7 of 7 Results
  1. Engine Tunes/Mods
    Hi. I'm looking for a wiring diagram for the engine for a 4.2 l traliblazer 2003. I need a complete diagram and pin out for BCM. Hope someone can help me. Please excuse my poor English, it's not my native language. [email protected]
  2. General
    Hello All, I have an 05 Trailblazer I have owned since 2006 and I had to replace the positive cable earlier this week. I took it on a long drive over good and poor dirt roads and decent paved roads with no problems and went home. About an hour later on a drive to the gas station, the...
  3. Exterior
    Where's the best place to get one of these?. Won't mind paying a little money.
  4. General
    Hi, I've searched but cannot find a wiring diagram for the third brake light on an 08 Trailblazer. I need to know which is the power and which is the ground in order to install an aftermarket flasher. I haven't pulled the third brake light yet, so if it's obvious once...
  5. Audio and Electronics
    I just bought jvc kw-avx810 online and want to install it in GMC Envoy 2003 with existing Bose Radio with AMP and onstar. I just bought the basic wiring harness to connect wires but i am bit confused . as the OEM radio has 2 sockets in the back and the harness that i bought has just 1 12or14...
  6. 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.
  7. OEM Issues
    Hi All, Below are the printed diagrams from Alldata for diagnosing your fan clutch. Also a TSB and a circuit wiring diagram. Just thought I'd share. Fan Clutch Wiring: Diagnosing fan clutch performance P0483: Fan Clutch Service Bulletin:
1-7 of 7 Results