i also forgot to say... the truck runs excellently... pulls hard and i hope using tunerpro and the knowledge base here i can tune it up and make
more power.

one other thought... it really needs...

sorry was on my phone and it was hard to post...

changed the VIN and reflash but noticed i had a warning light for charging.. but using the indash gauge i could see i was 14.2v charging which was...

Hey Rick. Last night I cloned the 9381344 os and then rewrote it to 12208323 using pcmhammer and obdlink lx. Funny story and really close call but as I was cloning it I had a power failure of some...

If it makes it safer I can pull the ecm and make a bench harness. I have a good power supply.

How do I get it to write the new OS?

It’s my DD but I have another. Don’t have a spare but my buddy has a wrecking yard so it’s a phone call away. In the truck flashing and I made a copy of the original just in case.

l have a 2000 5.3 with stage 2 cam cold air and electric fans. i used lsdroid to read the ecm and it shows the OS 9381344 which apparently is not an easy OS to find .xdf files for.

a friend told...

first i want to thank the Admin for the approval *(sorry for being a pain in the butt) i am wanting to learn and that's what i hope to do here.
working on my 2000 silverado 5.3 with "sloppy stage 2"...