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tussery · 04-16-2009, 02:06 PM

Take a volt meter (if you have one) to the battery and the battery should be around 12v +/- .5V after you have measured the battery voltage put a load on the battery by putting the vehicle in accessory and measure again. Again it should be about 12V +/- .5V if it is not then there is a good chance you need a new battery. If it checks out start your vehicle and again meter the battery, this time with the vehicle running you should be reading around 14V. If not it is most likely your alternator.

04-16-2009, 02:06 PM	#18
tussery Powerplay Quarterback Join Date: Apr 2006 Location: Corpus Christi, Tx Exp:	Take a volt meter (if you have one) to the battery and the battery should be around 12v +/- .5V after you have measured the battery voltage put a load on the battery by putting the vehicle in accessory and measure again. Again it should be about 12V +/- .5V if it is not then there is a good chance you need a new battery. If it checks out start your vehicle and again meter the battery, this time with the vehicle running you should be reading around 14V. If not it is most likely your alternator. Last edited by tussery; 04-16-2009 at 02:09 PM.