Battery likely, fill in your profile and help comes faster.
Dead
Thread Starter
Burning Brakes
Joined: Aug 2007
Posts: 839
Likes: 15
From: Allentown PA
Dead
Hey I went to start my C5 up again after driving it 2 hours ago and its completely dead. Lights flash on brief second and then kaput. No power. Engine wont turn over, lights wont go on, nothin. Any ideas??
Racer
Joined: Jul 2007
Posts: 271
Likes: 0
From: St. Louis MO
I had that problem last week................it was my "Ignition cylinder" It sounds like your problem is different though. But check out my thread. Do a search on "My car will not start..........Help"
Tech Contributor
Joined: Dec 2003
Posts: 19,384
Likes: 87
From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
I had the same problem and in my case it was the battery. A straight swap for an Optima Red Top and I was back on the road.
Mine was a year old and had done 8k miles when it died.
If your battery is the original AC Delco, I'd bet money thats the culprit.
BTW, if you fill out your profile members can offer advice specific to your car.
Mine was a year old and had done 8k miles when it died.
If your battery is the original AC Delco, I'd bet money thats the culprit.
BTW, if you fill out your profile members can offer advice specific to your car.
Last edited by DeeGee; Nov 9, 2007 at 12:37 AM.
Le Mans Master
Joined: May 2007
Posts: 5,383
Likes: 6
From: hagerstown md
St. Jude Donor '08-'09
Had the same thing happen Monday. Better check that battery and FAST. My positive post came completeky out of the battery, leaked acid, and now that I got it cleaned up, I'm having HVAC issues. Probably unrelated to the acid as it wasn't there long enough to cause any real damage, but who knows.
Check that battery!
Check that battery!
Administrator
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From: In a parallel universe. Currently own 2014 Stingray Coupe.
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Burning Brakes
Joined: Jul 2007
Posts: 924
Likes: 0
From: Macedon NY
If you replace the batt (or for any reason requiring removal) it sure as he!! doesn't hurt the put the following mat under it!
http://www.dccarcare.com/battery.html
Cheap Ins. for potential "ACID" leaking probs.
http://www.dccarcare.com/battery.html
Cheap Ins. for potential "ACID" leaking probs.
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Melting Slicks
Joined: Aug 2003
Posts: 2,786
Likes: 7
From: Iowa
If you replace the batt (or for any reason requiring removal) it sure as he!! doesn't hurt the put the following mat under it!
http://www.dccarcare.com/battery.html
Cheap Ins. for potential "ACID" leaking probs.
http://www.dccarcare.com/battery.html
Cheap Ins. for potential "ACID" leaking probs.
Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
It more than likely your battery. You'll need a new one. Probably about $80. for a AC-Delco Pro series if you want OEM similar.
Expect all kinds of codes to have been set because of this. If you swap out the battery be sure to clear the codes, that should reset all the warnings. Low power on the PCM makes it very upset! Hope you aren't affected by column lock, low voltage will cause it to show its ugly head unless you've had it bypassed or not affected by it.
Good luck. If you need help with the DTC ask I'll post up the steps.
Expect all kinds of codes to have been set because of this. If you swap out the battery be sure to clear the codes, that should reset all the warnings. Low power on the PCM makes it very upset! Hope you aren't affected by column lock, low voltage will cause it to show its ugly head unless you've had it bypassed or not affected by it.
Good luck. If you need help with the DTC ask I'll post up the steps.