At engine idle, voltage s/b about 14.5 but it is about 12.9 and when engine rpm is increased voltage is about 14 and amperage output is 70 with no load on the alternator. Battery is brand new.
2007-08-17 14:15:12 · 3 answers · asked by patrick 1 in Cars & Transportation ➔ Maintenance & Repairs
if its almost 13 volts at idle there's not very much wrong with it,the alternator has the regulator in it so its controlling this,that's good voltage at idle,if you had a regulator problem with it,the voltage would de-crease ,instead of increase,and if you had any more than 14 volts on it you would over charge the battery,some battery,s wont accept a charge as fast as others will,and this will make the regulator voltage vary sometimes,if its not causing any problems with the system,i would leave it alone for now,when its under a load the voltage should increase,that's as as good of a reading as my truck runs,and its been like this for years,i wouldn't mess with it for now,good luck on it.
2007-08-17 14:32:52 · answer #1 · answered by dodge man 7 · 1⤊ 0⤋
Pay attention to the dodge man he has it down to a science don't bother it,hope this helps
2007-08-17 21:38:22 · answer #2 · answered by JT B ford man 6 · 0⤊ 0⤋
If it's not broke, don't fix it. Sounds good to me and the other guys above me. good luck.
2007-08-17 21:42:09 · answer #3 · answered by Fordman 7 · 0⤊ 0⤋