New member from Ca. Looking I have a 2007 Trailblazer 4x4 with 4.2l. Been having some electrical problems and heard this is the place. Appreciate any help.. Thanks.
Welcome. Make sure to use the search feature on the top right corner of the page. Lots of good info here, but a lot (if not all) of questions have been asked and answered.
I hope you didnt come to ask about that red wire by the fuse block (sarcasm).