Well ok but you know what I meant! :-)
The y-body broadcast traffic never sleeps, I suspect b-body is the same. When I replaced my heater core I had the CCM (and everything else leading to the fuse block) disconnected for several days while I patched up the dash pad and all the broken plastic from the last moron who took it apart. Evidently the ECM or gauge cluster went ape s**t and sucked my battery down to around 9v. The same thing happened two days ago when I left the throttlebody and MAF disconnected overnight.
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