Question about 2005 Mini Cooper Convertible
I hooked up the jumper cables wrong to a mini cooper 2005 and It sparked on the battery. I was able to notice it right away so then I put them in the right place. I was able to turn on my car and everything looked fine. I drove my car for 2-3 weeks without any problems. After that, my battery started dying like once a week. I called AAA and they checked the battery and told me to replace it because it was going to continue dying. I could not afford a brand new battery so I went to an automobile junk yard and bought a compatible battery for the mini cooper. I was able to drive with it for 1-2 days, but again it keeps dying on me. I took my car to auto zone and they told me the alternator and battery are in good condition. fully charged. I am confused, I don't know if I should just buy a brand new battery? Maybe the one that I bought does not have enough power or something like that? or if something really bad happened to the car system due to plugging in the jumper cables wrong. Any help is appreciated. Thanks
Batteries from the wreckers are there because they are failing. The money that you spent on it would have been better spent on a new battery. When you pull at a shop the battery will indicate fully charged but batteries self discharge internally form internal shorting in the plates . The only test for a battery is a load test as it puts the cells under stress to determine how they are performing.. So before you spend money have the battery load tested and have a proper output test done on the alternator to determine if it is working ok.
Posted on Apr 23, 2014
Load test the battery. Test the alternator with a multimeter, it should read between 13.3 and 14.6 volts dc. Test the alternator at idle and rev the engine to 2000 rpm. The multimeter probes are place on the battery terminals. Look for corrosion between the battery and the battery clamps. Baking soda cleans the corrosion.
Posted on Apr 23, 2014
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Posted on Jan 02, 2017
I found solution. In my case problem was with connection next to the small electronic module next to the gear wheel. It is module directing red light in proper 'P', 'R', 'N' and 'D' letter.
Posted on Jul 12, 2010
to troubleshoot short, see my post at http://www.fixya.com/cars/r5925550-dead_battery_troubleshooting
let me know if you have questions
Posted on Oct 05, 2010
In the S model it's in the boot under the floor mat.
In the standard model it's under the bonnet on the left sidr of the car (US Drivers side) You'll see the cables going into the plastic battery box.
Posted on Oct 07, 2010
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