New Thread My Settings My Posts Search Forum Home   Discussions  General  Wonderind if th...  Wonderind if this works    10/1/2009 8:32:01 AM JohnD 1 posts Wonderind if this works Quote Reply how do i know if i need a alternator or a battery  10/1/2009 8:39:15 AM dyek 1 posts Re: Wonderind if this works Quote Reply Some basic testing has to be done, the battery needs to be charged and tested, then the vehicle needs to be started and the alternator and wiring needs to be tested. Basic testing on the battery would include water level and load testing. Wiring testing would include testing battery cables and wiring to the alternator using voltage drop testing. Using these basic tests the alternator, battery or wiring could be determined as cause.  Page 1 of 1   Discussions  General  Wonderind if th... Flat View Tree View Oldest To Newest Newest To Oldest