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  1. 02-09 General Tech Q&A
    My high beams quit working, but the flash to pass works. I think I have narrowed the problem down. I found the following broken wire coming from/to the BCM. Question is, does anybody have the pinout of the BCM (with connector descriptions)? I have searched the web, and have not found...
  2. General
    I have a 02 trailblazer and it's taken on a life of it's own. It started with my remote entry ceasing to work. My ac / heat decided it would only work on #4 setting. That was followed by my rear wipers coming off and on as they please regardless of what I do with the control switch and will...
  3. The 02-09 "How-To" and DIY Section
    As the title would imply, I did a reset on my TCCM because I cant get my 04 envoy to come out of 2 wheel drive after having replaced the transmission. I did this by unhooking the battery, and unplugging the TCCM (hooking back up in reverse order) as a mechanic friend told me to do. However when...
  4. General
    I have a problem with my reverse lights not coming on. I have been reading the forums about people who have had the same problems and many seem to have solved it with changing a fuse. I checked both fuses (one up front #27 and one under left passenger seat #32) and both are fine. While in...
  5. General
    Im trying to replace my bcm but the problem is I have a hard time removing it out of the fuse box. I removed all the wire connectors and when I tried pulling the bcm straight up it wont budge. Im afraid to pull harder since I might break the bcm. I would let the dealer do it after I get the...
  6. General
    Hey fella's, Could anyone point me to location under the hood that I may pick up 12volts that would be hot only when the parking brake is off? The BCM would also work but I would need to run wire. Thanks !!
  7. Transmission Mods
    Tccm/pcm/bcm work independant of each other?....... Curious if the Bravada/Trailblazer pcm/ tccm /tcm work independently of one another......Studies indicate yes!!! Does the pcm really care which tcccm/t-case is used?.... If so is it something that can be re-calibrated/reflashed.... My...
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