I just got my 2003 wagon back from being serviced. They installed a remote PMD and cooler on top of my battery mount along with other normal service items. The PMD is the only real "change"
I got about 50 miles and then a red check engine light came on. I had just turned the AC on and it was...
A fellow member on the Hummer Network site referred me over here to gain insight on my new 6.5 TD engine in my 2003 Hummer H1. I look forward to getting to know all of you and learning a lot from you. My background is almost all gas engine vehicles, except the other H1 I owned 20 years ago...