Topic: 05 Dead Battery Syndrome
in Forum: C6 Problems
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Horseshoe Bay, TX - USA
Joined: 3/29/2010
Posts: 1
Vette(s): 2005 Silver Convertible, Manual
I have a 2005 with a 6 speed manual transmission and am having problems with the battery going dead while the car is idle. I back into my garage each time so I know the car is in reverse where it should be. Any suggestions on how to solve this issue? Thanks
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I'm no mechanic. However, I've had that happen a couple of times. Are you sure you're not putting the car into the accessory mode instead of turning it off. I know that sounds stupid, but again, I've done it a time or two. Also, it may just be that your battery is shot. I have had batteries go from working perfectly fine to dead from one minute to the next. If it is the original battery, that may be the cause.
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Camp Hill, PA - USA
Joined: 4/7/2008
Posts: 46
Vette(s): 2002 QuickSiver Convertible, 2007 LeMans Blue Coupe, 2010 Crystal Red Metallic Grand Sport Coupe (Heritage Edition). 6 Speed Manual
Best suggestion - go by a new battery, and then at the same time, by a
good battery maintainer.
As far as what's wrong, the 2005 early 2006 had a lot of problems with batteries, although some people never experienced any problems.
I use a "Battery Tender" plus and have never had an issue with the battery. They cost anywhere from 45 - 65 dollars depending on where you buy it from.
Would not recommend the Sear model, but am sure others will see the post and give you their recommendations on which one to buy as well.
I have a 2001, 2005 and 2010. The battery will go dead at 6-8 weeks idle due to computer and alarm draw. There are actually two solutions, which are the battery tender as mentioned which I use on two of my cars but the 2001 is in a car port with no power so I use a battery disconnect switch mounted in the battery area. Both solutions work well.
Dave
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Copperas Cove, TX - USA
Joined: 8/6/2008
Posts: 58
Vette(s): 07 Machine Silver Coupe
6 sp pattle shift auto
72 Stingray convertible
Do you have GPS in the car or nav system? If so make sure you turn them off or unplug them. I have some pictures of a burned up car because they left the GPS plugged in. You should unplug anything that you use, ie cell phone chargers. They have a constant draw on the battery.
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rochester, NH - USA
Joined: 9/28/2009
Posts: 6
Vette(s): 2006 convertable with all factory &and some personal upgrades
I got a yellow top optumas &^ have not gone dead yet.... the delco was unpredictable
I do use a battery tender, but the battery did die over the winter. I will replace it with a yellow top soon and let you know if it fixes it. As far as the accessory mode, it was not in that mode. I've stopped and restarted several times, but will get the new battery. goes into reverse just fine.
Thx
I have a factory GPS, and haven't had any USB or anything plugged in all winter. I drove it last month, and it was fine.
I have a 71' C3, this 05' C6, and a 14' C7. Love them all, and generally have a battery tender on the C3 and on the C6, and alternate them with the C7 on the 2 tenders. Sounds like a completely dead battery though. I will fix that with a new yellow top and see.
Thx, Ken
My 2015 C6, Z51, had a dead battery. I jump started it, and it started fine, but when I started to drive it forward, it would move, but the RPM stayed under 1400, in Drive. I would shift to park, neutral or reverse, and it would Revline over 6000 RPM, and move in Reverse fast. Just not in Drive or Low....... Thanks to your help, I went and got a yellow top Optima battery, and like magic, it works fine. Thanks to this forum and all you smart vette guys.
in Forum: C6 Problems
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