Left battery charger on for hours!


Asked by Apr 17, 2015 at 11:55 AM about the 2007 Dodge Ram 1500

Question type: Maintenance & Repair

First, I'm a weak, helpless female, recently widowed, whose husband knew everything about vehicles. I am babysitting my son's Ram 1500 (which I am seriously considering keeping...will trade him my '94 Nissan PU! ;) ). I accidentally left it on Accessory all nite and the battery went dead. A friend came over and we hooked up my old battery charger. He had to go to work and I stupidly left it on for about 12 hrs. When I unplugged it, the battery wasn't hot and hadn't exploded or anything. It started, but engine light is on. Am afraid to drive it now, but need it today! Read here you can disconnect battery for 10 min. to reset it, but that was after an oil change. Can I do the same thing? Thank you! I LOVE this truck! It's like driving a luxury car, only better!

6 Answers


What engine light is on a red or yellow. most battery chargers are self tapering so 12 hours won't hurt a good battery cause the charger just slides to a trickle charge rate.

1 of 1 people found this helpful.

It's yellow. Thank you. The charger's dial wasn't even up to full all the way, if that makes any difference.

1 of 1 people found this helpful.

Yellow is telling you that there is a failure in the engine controls, you can go to most any auto parts store like Autozone and they can pull the codes for free. As far as the gauge on the charger, when the needle is low, like around 1 to 2 amps then the charge rate is low and can be discontinued. Low amps are way better than high when charging one of todays batteries, they charge deeper when a slow amp rate is feed to them but it takes longer to reach full charge. HTH

2 of 2 people found this helpful.

Sorry for you loss, being a widow. Sincere condolences. But please don't demean yourself, you're not weak or helpless...even if you feel that way. Anyway, like tennisshoes said, the slower the charge the better...an analogy is cooking a turkey. Put it in the oven @500° for 2 hours...or 325° for 4 hours. Which way is better? Maybe that's a stupid analogy after all, but I think you get the point.

2 of 2 people found this helpful.

I would keep that old Nissan- it won't cost as much to keep it running!

2 of 2 people found this helpful.

Thank you all for your replies. I went ahead and drove it to my job and when I started it this afternoon, the light was out!

Your Answer

Add photo

Related Questions

Ram 1500

Looking for a Used Ram 1500 in your area?

CarGurus has 11,152 nationwide Ram 1500 listings starting at $700.


Search Dodge Ram 1500 Questions

Dodge Ram 1500 Experts

#1 Dan Connell
Dan Connell
Reputation 6,100
#2 pudgybear
Reputation 5,880
#3 dandyoun
Reputation 5,310
View All

Related Models For Sale

Used Ford F-150
2,195 Great Deals out of 206,316 listings starting at $1,499
Used Chevrolet Silverado 1500
1,716 Great Deals out of 175,751 listings starting at $1,250
Used Dodge Ram 2500
159 Great Deals out of 5,240 listings starting at $3,495
Used GMC Sierra 1500
825 Great Deals out of 68,199 listings starting at $2,484
Used Toyota Tundra
444 Great Deals out of 34,312 listings starting at $2,700
Used Toyota Tacoma
542 Great Deals out of 40,814 listings starting at $2,495
Used Dodge Charger
407 Great Deals out of 28,172 listings starting at $1,988
Used Ford F-250 Super Duty
344 Great Deals out of 46,938 listings starting at $1,895
Used Dodge Challenger
184 Great Deals out of 24,169 listings starting at $8,800
Used Dodge Dakota
106 Great Deals out of 3,781 listings starting at $1,680
Used Nissan Titan
170 Great Deals out of 19,555 listings starting at $3,000
Used Ford Mustang
472 Great Deals out of 45,735 listings starting at $1,999
Used Dodge Ram 3500
90 Great Deals out of 2,181 listings starting at $4,999
Used Jeep Wrangler
277 Great Deals out of 18,163 listings starting at $2,950

Used Cars For Sale

2010 Dodge Ram 1500 For Sale
73 Great Deals out of 1,330 listings starting at $6,900
2009 Dodge Ram 1500 For Sale
43 Great Deals out of 1,010 listings starting at $3,999
2008 Dodge Ram 1500 For Sale
79 Great Deals out of 1,539 listings starting at $2,995
2007 Dodge Ram 1500 For Sale
63 Great Deals out of 1,488 listings starting at $2,800
2006 Dodge Ram 1500 For Sale
72 Great Deals out of 1,365 listings starting at $3,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.