Recent content by DJGeorge

The strange gets stranger... Yesterday afternoon when I went to leave work, started the Envoy and the wierd bahavior is gone and everything (except the instrument cluster) is back to normal: A/C, radio, power windows, power locks, passenger mirror, dome lights, all ok! The DIC is still showing...

I noticed the manuals are all for Trailblazers. Mine is an '04 Envoy XUV and since there is no direct TB equivalent, I'm hoping the '04 TB LWB description will be close enough. I plan to dig into the Splice Packs and serial data this weekend.

Checked the megafuse and I'm seeing continuity across it. Why do they have a big red wire on one end of the megafuse and a big black one on the other?? Nothing seems out of order in either of the fuse boxes. I confirmed that the rear door windows are operable from the rear door controls so the...

We have an old Suburban with 145K miles that we use for a ranch truck. Over the last few years, the tailgate glass has moved real slow and you sometimes need to give it a hand to raise or lower it. I've replaced the tailgate window regulator in my Envoy XUV (which replaced the Suburban for...

I've had to replace the regulators on both the mid-gate and the tailgate of my XUV. So far the 4 door windows haven't had a problem. When tailgate regulator failed, I did the 2x4 trick to wedge the glass closed while I ordered the new regulator. Worked like a charm!

Yes, I have a multimeter at home (or 3). I am pretty good at troubleshooting electrical issues (Computer engineer with 30 years of design & debug experience) and will check this out when I get home based on your recommendations. It seems like it has to be a major interconnect or some sort of...

My 2004 Envoy XUV has been suffering for a while from a flaky instrument panel computer that identifies an "Unknown driver" and most of the dash computer output is off. This has always been confined to just the instrument panel and has not affected any other functionality so was just an...