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Old 01-05-2017, 08:43 AM   #9 (permalink)
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Join Date: Feb 2011
Location: Phillips, WI
Posts: 980

Nameless - '06 GMC Canyon
90 day: 32.06 mpg (US)
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Originally Posted by ThermionicScott View Post
Sounds like the battery might have already been marginal if it only took ten minutes of having the lights on to drain it.
I found the hard way that I need to put my truck battery on a trickle charger once or twice a week. My wife does only short trips, she also needs to put her car on a trickle charger once a week.

Even when the alternator is working properly, it takes time to fully charge a battery. The battery might still be perfectly good. Put it on a charger for a couple of days. I use one of those 2 amp "computer controlled" chargers.
The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
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