Thread: EOC at night.
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Old 02-19-2009, 01:36 PM   #4 (permalink)
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Join Date: Jun 2008
Location: Northwest Lower Michigan
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Red Car - '89 Chevrolet Celebrity CL 4 door
Team Chevy
90 day: 36.47 mpg (US)

Winter Wagon - '89 Pontiac 6000 LE Wagon
90 day: 28.26 mpg (US)
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The lights dim because they are running off battery voltage instead of alternator voltage (which has to be higher than battery voltage to keep the battery charged). I would think that sub-freezing start every morning for 5 months out of the year would be much worse on your battery than leaving your lights on for the short EOC period. My batteries still last 4 years in this climate.

Winter daily driver, parked most days right now

Summer daily driver
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