Battery Fried

[HSURB]

Well, today we had 65° weather. I return home at 3:45 and wanted to get the Shelby out. Went to start and car and the battery is fried. Couldn't even jump it with another vehicle. I had a tender on it, but I can't get any of the lights to work on the tender either?

So, it's time to replace the battery. Any recommendations on anything to look out for? Any tips on installation?

Just thought I'd check first.

Thanks in advance.

HSURB®

[Johnny Dangerously]

Originally Posted by HSURB

Well, today we had 65° weather. I return home at 3:45 and wanted to get the Shelby out. Went to start and car and the battery is fried. Couldn't even jump it with another vehicle. I had a tender on it, but I can't get any of the lights to work on the tender either?

So, it's time to replace the battery. Any recommendations on anything to look out for? Any tips on installation?

Just thought I'd check first.

Thanks in advance.

HSURB®

I'd go with an Optima battery. They're more expensive, but they're better built.

OPTIMA Batteries

`

[Rags]

JD is right Optima is the way to go. They are made to be depleated time and time again and still take a full charge.

[Alloy Dave]

Only minor tip I have is to be cautious about battery posts. I know today's batteries are sealed, but after you're done handling them, wash your hands well right away before touching your clothes or rubbing your eyes. Not worth taking any chances.

Oh yes...and disconnect the negative first, and hook it up last.

[SLGT750]

Originally Posted by HSURB

Well, today we had 65° weather. I return home at 3:45 and wanted to get the Shelby out. Went to start and car and the battery is fried. Couldn't even jump it with another vehicle. I had a tender on it, but I can't get any of the lights to work on the tender either?

So, it's time to replace the battery. Any recommendations on anything to look out for? Any tips on installation?

Just thought I'd check first.

Thanks in advance.

HSURB®

Mine did that last year, I was able to get a new battery under warranty but they scratched my fender I did not have a battery tender on mine but I do now. The service guy told me there is a draw on the battery and a tender is not enough you need something with a charge cycle. I have a Ctek3300 which is supposed to cycle the battery here is the link CTEK battery charger - US 800, MULTI US 3300, MULTI US 7000

[BAD SNAKE]

I would think your battery would still be under warranty?

[HSURB]

Originally Posted by SLGT750

Mine did that last year, I was able to get a new battery under warranty but they scratched my fender I did not have a battery tender on mine but I do now. The service guy told me there is a draw on the battery and a tender is not enough you need something with a charge cycle. I have a Ctek3300 which is supposed to cycle the battery here is the link CTEK battery charger - US 800, MULTI US 3300, MULTI US 7000

Awesome information guys. I just ordered a CTEK 7000.

Thanks again.

HSURB®

[TOMMY GUN]

Did you try to put a real charge back on the battery?

I can't believe a 2 year old battery would be no good?


.

[rown4au]

Originally Posted by Rags

JD is right Optima is the way to go. They are made to be depleated time and time again and still take a full charge.

Well not exactly, when I shipped my jeep to the UK I had my friend who prepped it for the tip over put in a brand new gold top optima. The muppets at the shipping company never disconnected the battery before closing it up in container and it was completely useless by the time I got it in the UK. It would not hold a charge for more than maybe one half hearted start.

Yes they are good batteries but if you kill it totally stone dead then yo are likely to need a new one.

That said I will be replacing it with another optima this spring because I do think they are pretty good batteries.

[King Cobra]

Here is a very good thread on battery issues by our very own Fred.

Electrical system on the S197 - Ford Shelby Cobra GT500 Forum

[Birdman]

Originally Posted by HSURB

800 Dufus!!!!!

HSURB®

That's why it went dead you don't drive it enough to maintain it . Think of it like exercise ...you don't use it you loose it.

[TOMMY GUN]

Originally Posted by King Cobra

Here is a very good thread on battery issues by our very own Fred.

Electrical system on the S197 - Ford Shelby Cobra GT500 Forum

Very good info.


Why isn't Fred here?


Go get him.




.

[JTB]

Originally Posted by SLGT750

Mine did that last year, I was able to get a new battery under warranty but they scratched my fender I did not have a battery tender on mine but I do now. The service guy told me there is a draw on the battery and a tender is not enough you need something with a charge cycle. I have a Ctek3300 which is supposed to cycle the battery here is the link CTEK battery charger - US 800, MULTI US 3300, MULTI US 7000

Scratched your fender...

I hope they repaired it at their expense, don't let sloppy techs get away with this sheit!

[Joker]

Originally Posted by GRABBER

One word.

Edit: 2 words:

Hot Girlfriend.

Yea! I talked to Fred about a week ago. He's loving life right now!

[King Cobra]

Tis the season for dead batteries as we put out cars up for the winter.

This is a post from Fred at Ford GT500.com that explains why after 3 weeks the battery goes dead.

Wish Fred was a member here.

FYI-You have to actually drive the car to get the alt. to charge the battery.The batteries in the new Mustangs will last about 3 weeks while parked.The electrical systems on these cars are what we call on the network.While these cars are parked and turned off the network actually powers 7 modules,anti theft switches and the amps in the stereo.After 30 minutes the network goes into sleep mode but still powers all items mentioned.If you pop the trunk or open the door the network wakes up and stays awake for 30 minutes as long as nothing else is used in the car then goes back into sleep mode.The reason you hear sometimes to turn your radio off before you turn the car off is the ACM or audio module draws 4 amps and usually the most likely module to go bad.If the ACM goes bad it never goes into sleep mode and draws 4 continuous amps till the battery is dead,which doesn't take long.Hope this helps.

[bluoval1118]

Originally Posted by King Cobra

Tis the season for dead batteries as we put out cars up for the winter.

This is a post from Fred at Ford GT500.com that explains why after 3 weeks the battery goes dead.

Wish Fred was a member here.

FYI-You have to actually drive the car to get the alt. to charge the battery.The batteries in the new Mustangs will last about 3 weeks while parked.The electrical systems on these cars are what we call on the network.While these cars are parked and turned off the network actually powers 7 modules,anti theft switches and the amps in the stereo.After 30 minutes the network goes into sleep mode but still powers all items mentioned.If you pop the trunk or open the door the network wakes up and stays awake for 30 minutes as long as nothing else is used in the car then goes back into sleep mode.The reason you hear sometimes to turn your radio off before you turn the car off is the ACM or audio module draws 4 amps and usually the most likely module to go bad.If the ACM goes bad it never goes into sleep mode and draws 4 continuous amps till the battery is dead,which doesn't take long.Hope this helps.

That is some very useful info. I never knew that but i learned something nw today. Thanks

[King Cobra]

[68fastback]

Year, Fred's a good guy! Great info!!

...so I guess it's a BatteryTender...

...or disconnect the battery and lose your learned sensor 'masks' (no biggie) and radio presets.

[Alloy Dave]

Originally Posted by 68fastback

Year, Fred's a good guy! Great info!!

...so I guess it's a BatteryTender...

...or disconnect the battery and lose your learned sensor 'masks' (no biggie) and radio presets.

I go out and start mine about every 2-3 weeks, let them run, warm up, operate all switches, turn signals, A/C, heater controls, roll them back 20 feet, forward 20 feet, turn on lights, etc. etc.

[twobjshelbys]

Originally Posted by Alloy Dave

I go out and start mine about every 2-3 weeks, let them run, warm up, operate all switches, turn signals, A/C, heater controls, roll them back 20 feet, forward 20 feet, turn on lights, etc. etc.

I just put a note in my calendar to start the SGT and the Cobra this Saturday. It should be warm enough to pull them out of the garage.