Not sure about the chevy but a friend's ford explorer blew a micro processor in the instrument cluster and she lost about a half a dozen things. Solution was a used cluster from a junk yard but not just any cluster it had to be from the same production period. Nice huh? KevinT
Get a wiring schematic for your vehicle and examine the affected circuits from the load working back toward the source to determine the common connector (fuse, connector or other) that feeds all of the loads that don't have current. You can find good schematics on line and will save you a lot of diagnostic time.
I had a similar thing happen in my f150 a few years ago. No power/heated seats and the power mirrors wouldn't work. It ended up being a corroded splice under the floor trim near the fuse panel. Luckily it was a fairly common issue and people had already done the troubleshooting. Look on some chevy truck forums, maybe someone has seen it before. Also a good electrical shop manual goes a long way for issues like this on these newer vehicles, they can be had on ebay pretty cheaply.
Doing electrical work, usually simple solutions to annoying problems.
Busy making a wiring harness for my 2014 ford f150 to replace my radio with navigation touch screen and back up camera ect all while retaining ford sync ect. So many damn wires compared to 90s cars. Saturday will see how many grey hairs I gain.
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