Can confirm, just as Gatecrasher stated - that worked like a charm (even with a Mongoose). I now have functioning fog lights. Thank you guys a bunch.

Personally I use my own software to custom flash BCMs to do various edits. This is something I am working on at this moment to have a public software that will allow people to do edits. I am at NO WHERE near your skill level, but this type of thing piques my interest. If I can help in anyway, Just ...

Just track down an old copy of TIS2000. You can install it on a Windows XP virtual machine and then program your BCM as often as you like. Done, I will check this out tonight. :thumbup: I pulled out the service info for your truck and the BCM pinout specifies Class2 for diagnostics. That's J1850 VP...

I know if I had legit access to pre-2021 GM SPS/TIS I could 'Set up as a new module" and just input the configuration like it was a virgin module. TechLine Connect has since changed that functionality (supposedly). I have the OPEL globalTIS but I never have been able to get it to launch any of ...

Hey guys. I am attempting to retrofit the factory fog lamps to my 2000 Sonoma. I have already added the required wiring from the fuse block through the forward lighting harness & installed the interior switch. I can command the fog lamp relay on which illuminates the fog lamps (with Tech2Win) . ...