viperman135 Posted September 27, 2009 Report Share Posted September 27, 2009 So I'm cleaning the car checking the tire pressure and I check the battery volt level 12.00. It had been awhile since I had cleaned the terminals so I take them off clean them up. Then go to start the car and it will not start. Go back to the battery and its at 10.45 volts. What happened? Link to comment Share on other sites More sharing options...
MyCarIsRed Posted September 27, 2009 Report Share Posted September 27, 2009 So I'm cleaning the car checking the tire pressure and I check the battery volt level 12.00. It had been awhile since I had cleaned the terminals so I take them off clean them up. Then go to start the car and it will not start. Go back to the battery and its at 10.45 volts. What happened? bad contact at one of the terminals? Did you spark somethign when you had the wires off? Link to comment Share on other sites More sharing options...
ajhehr Posted September 27, 2009 Report Share Posted September 27, 2009 dont get offended (your most likely past this), but double check your grounds, can your volt meter check resistance? if so check the resistance between the terminal and the wire, and the - terminal and the ground. this could also just be a coincidence, and the battery is just dead. Link to comment Share on other sites More sharing options...
viperman135 Posted September 27, 2009 Author Report Share Posted September 27, 2009 No I did not check resistance. I charged the battery and the car starts now. With the car running it reads 13.85 with the car off its at 12.35. So everything should be fine I guess. The battery is 4 years old so it should still be ok. Link to comment Share on other sites More sharing options...
MrWinkey Posted September 27, 2009 Report Share Posted September 27, 2009 bad contact at one of the terminals? More than likely...or did you have accessories on while cleaning car (such as radio)? Link to comment Share on other sites More sharing options...
viperman135 Posted September 28, 2009 Author Report Share Posted September 28, 2009 I dont know what the heck is happening now. Before I go to bed last night 12.17. This morning 11.97 and the car wont start. How by cleaning the terminals is my car now magically discharging. I just don't get it. Link to comment Share on other sites More sharing options...
VolvomanWA Posted September 28, 2009 Report Share Posted September 28, 2009 I dont know what the heck is happening now. Before I go to bed last night 12.17. This morning 11.97 and the car wont start. How by cleaning the terminals is my car now magically discharging. I just don't get it. I don't know how good batteries are in the USA but in Australia they generally only have a life good for two maybe three years tops. You may have roughly 12 volts showing on your volt meter but as your battery is 4 years old I would say it has no guts left in it and as soon as you go to crank it would drop out to 8 volts or less and not have enough to get the starter moving. I would hazard a guess and say your battery was ready for a replacement. Get it load tested by an auto electrician. Cheers Dean. Link to comment Share on other sites More sharing options...
misa Posted September 28, 2009 Report Share Posted September 28, 2009 Change your battery...it seems it won't hold a charge.And buy the biggest battery with largest capacity that will fit into your car.Also make sure that battery which you're about to buy is not older than 6 months(from production date).Production date is stamped at every battery. Link to comment Share on other sites More sharing options...
viperman135 Posted September 29, 2009 Author Report Share Posted September 29, 2009 Thanks guys. I checked my records and the battery is actually 5 years old. I got a new one and the car starts. Lets hope this solves any problems. Link to comment Share on other sites More sharing options...
Matty Moo Posted September 29, 2009 Report Share Posted September 29, 2009 Get the group 48 when you get a new one. slightly larger with more capacity and cca's, and it's only $5 more. Fits perfectly in the tray. The battery in my last 850 made it 9 years. It actually made it through the below zero weather we had all last winter and took a dump in the spring. Link to comment Share on other sites More sharing options...
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