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It's definitely the BCM. The tahoe died from it constantly being on and sending the rear access open signal out and once charged and restarted it is now working properly again. It seems like any time the voltage gets low that BCM acts up really bad. Still want to know what those metal rails are...

Hello all I have a 2003 chevy tahoe that was used for a chiefs vehicle at a fire department that my friend have me unfortunately it's just sitting at home due to a title issue hopefully it'll be on the road soon it's been sitting for around a year now. Thankfully he did though because it was...