*ack* ... Bonneville goes bonkers - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-17-2003, 11:19 AM   #11
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Quote:
Originally Posted by smellbird
Did the older models have some form of rundown protection?
Yes.

Quote:
I know when I'm working on my car and have a doors open or the trunk open the lights will turn off after a little while.
10 minutes. Same for the air compressor, too. Unfortunately for some silly reason the trunk light is not included on that circuit, and mine was on even though the trunk lid was _practically_ closed, so low down that I couldn't even see in to notice that the light was on, until I positively checked the next morning, when it was too late. (Yes, it does go off just before the lid shuts.)
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Old 11-17-2003, 11:33 AM   #12
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Quote:
Originally Posted by bonnevilledad
good luck...cant wait to hear the result.
Okay, here goes...

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Sometimes all a battery takes is one decent discharge and then it is toast. Hope that is not the case for you.

I be watching for an update!
So after a full 24 hours on the charger, the status is: The car hasn't been this happy in years. I'm serious: I've even got stuff working properly that I thought had died, such as the light sensor for the Twilight Sentinel, and the steering wheel controls for the stereo.

So anyway, I check the charger and it'* down to a trickle, and the battery eye is green, so I disconnect everything and hop in. Turn on the ignition and all the defaults show up: stereo clock showing 1:01, all presets forgotten, HVAC set at 75, etc. Starter sounds great and engine fires right up, so I roll it out into the driveway and sit in the evening light while I reset the stations.

Suddenly the car turns its lights on. Hey, it hasn't done that right for a year or more. Maybe something just needed a reboot. I think to try the steering wheel controls... hey, they're working again! I go for a drive, and everything else feels good, so the crisis is over.

So what I _think_ happened was that the car inadvertently killing itself gave it the opportunity to reboot all the processors that are usually running 24/7. I haven't disconnected the battery for as long as I can remember, but completely draining it like that achieved the same thing. I'm thinking one or two systems went a little bonkers over time with various power fluctuations or whatever, and interrupting power to those things that usually don't _get_ a reset may have been just what they needed. The battery seems to have recovered _this_ time, and hopefully this won't happen again. Letting the charger boost the battery to probably 105% power probably didn't hurt the system voltage either; I don't have a voltmeter in the SSEi but I imagine it'* at the upper end of the operating range at the moment.

So I'm going to count my blessings and just get on with my life... Next up, I gotta deal with another turn-signal lever headache in the spouse'* minivan... See a post today in the General Chat area asking for GM Parts gurus...
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