Thanks for the replies. I will check the alternator and PCM tonight when I get out of work.
Strangest thing is the truck is now reading 10 volts instead of the 4-6 volts at the battery.
2007 Tahoe / What happened???
Open door no lights and truck was dead.
Checked the voltage on the battery and it was 4-5v so I changed out the battery with another and the same thing.
Unhooked the main wire going to the fuse box and my voltage jumped right back up?? What is going on?
As long...
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