My 08 C6 coupe 6sp has 58k mi. Runs great, but last week I left my gym and she wouldn't start. Tried fob in slot, no good. Changed battery in fob, no help. After a half-hour or so, It started.
I drove home and stopped along the way. No start. Nothing. AAA towed me to a nearby mechanic. They tested and decided a new battery was al it needed. Great. Drove home and parked in my
garage. Went out of town for two days. Next morning nothing. AAA couldn't start with double boost. Towed back to mechanic. They charged it and it is holding the charge. They want to monitor the car for a voltage leak
they say caused the problem. It has been sitting there for a week with no voltage leak. I don't know what to do next. I can't leave it with this garage, which has an excellent rep, forever.
Any suggestions? Much appreciated.

 

There is a good reason GM/Chevy started including the battery protection option on these cars. I have owned 6 Corvettes over the years and currently have a 2013 60th Anniversary Edition. When it is not on the road it is on the charger/maintainer. One end plugs into the cig. lighter and the other into a 110 wall outlet. Not sure about the 08 but my Corvette has a drain channel indention on the door sill so I lay the cord there and close the car door. Does not hurt the wire. I think weather strip also protects the cord from damage. You can lower the window and run the cord out the window if you wish. I put a small stool beside the car to set the maintainer on so to keep it off the floor. The battery maintainer I have came with the car however I had a 2011 C6 and I went to Chevy Dealer parts guy and bought the battery protection option maintainer. Cost about $100.00 has a nice Corvette logo and works fine. There are cheaper options that work fine and there is lots of info on this forum about battery maintainers you can read about. The 62 and 74 Corvettes I owned did not need a maintainer. Chevy has added computers and on star service which drain the battery even when the car is turned off and sitting in the garage. I change my battery every two years and always use the maintainer. Car starts no problem. That said, if the car sits several weeks without being driven it still starts OK but the amp meter works hard to get the battery to normal charge. I am having some battery drain even on the charger. A few weeks ago after the car had sat for a month I started it and backed out of the garage. Car was off charger for an hour while I washed it. When I went to start it back up interior lights were dim and the starter hesitated and turned over slowly. Was not sure it was going to start but it did. I need to check battery connections but I think I have battery drain issues. A few months ago I had opportunity to talk to another C6 driver about all things Corvette. I asked him if he had any battery issues. He said no and that his Corvette was his only vehicle and he drove it a couple hours or more every day. Sounds great. How often and long you drive the car is a factor. A dead battery is a bumber as you know. If your Corvette is not a daily driver use battery protection trickle charger when the car is sitting in the garage. It will go a long way toward avoiding a dead battery. Good luck!

 

More than a few of these no start posts lately. The problem is usually found to be a bad battery and/or bad connections at the battery terminals or starter solenoid terminal. Pretty basic stuff. In one case a AAA "battery tech" installed the wrong battery and did not properly tighten the battery terminals.

Suggestion: If you can't/don't want to troubleshoot it yourself, go to a shop that is familiar with Corvettes and has mechanics who actually know how to use electrical test equipment. Stay away from "we service all makes" shops, NTB, tire stores, Pep Boys, WalMart, etc.

 

We just purchased a C6 that has been garaged at least two months. Previous owner always had it garaged during winter and under a cover, but kept it charged with a charger the plugs into the cig. lighter. Car starts normally.

 

Living in Florida , I have 2 cars using a battery tender all of the time. Every 3 plus years I buy a new battery . DD is outside of the garage and the factory battery died after 2.5 years.

 

I try to change the batteries in all my vehicles every three to four years. With all the electronics that these vehicles have that constantly drain the battery the life span is relative short. I find the deep cycle batteries are a good choice especially in trucks and SUV's that are daily drivers. In addition to the vehicle battery I change the FOB battery every two years at Batteries Plus for free after you buy the first one. Never had an issue on a "No start" related to batteries.