1994 Cadillac DeVille "battery volts high" Questions

...it has a brand new battery too. what do i need? check the voltage at battery, when car is off it should read at least 13 volts. when running should be 14 to 14.5 if its higher its over charging

...message battery volt high. What does that mean? alternator is overcharging the battery replace alternator Have charging system checked as one this age could be an charging sensor out of calibration

battery to see if it is staying above 12.50 volts,if it is below 12.50 the alternator is not putting out on a load,replace it.if these check out good,check for dome or hood or trunk light not shutting

...battery Ican install? You can use the largest one you can buy in the correct size. You can go as high as 800 CCA. It really does not matter. The larger the better if you live in a cold climate. As ...

...was left in the battery maybe only operating on 11.5 volts put on all accessories and rear defrost and see what the battery gauge does if it goes really high or if it stay normal or shows a low ...

i was driving to work today when i noticed a message come across the dash that said my battery volts were high. Any suggestions? Replace alternator.

why are my battery volts too high ? more than likely alternator is overcharging, i recommend you repalce it. or could be voltage regulator, but most likely alternator is bad.

...battery is good, then your altenator is bad. There is a very high likelihood that your alternator has failed, resulting in your battery not charging.A simply volt test can be performed with the car ...

...battery volt high. What does that mean? the voltage regulator is faulty. it is part of the charging circuit. ...

...meter,start car,turn on high beams,blower motor,and four ways,and pull down in gear and have a friend check voltage at battery again,it should be over 12.50 volts anything lower replace