1993 GMC Sierra K1500 "alternator putting 12 volts" Questions

alternator putting 24 to 48 vols I have a boat alternator that show 24 to 48 volts at output but is 12 v alternator tried 2 new ones same thing??? Try another multi-meter or change the settings... 12V

...alternator is not putting enough power to keep the light out. IT works like this battery power (12 volts) flows through the light to the alternator and puts it on when the alternator starts to charge ...

...new battery.If your battery has 12 volts afterwards and still cuts off then your alternator is faulty.With the engine running your alternators power wire should show 13-15 volts coming

...alternator look for 12 volts on the large connector out put,with the engine off.If there is not 12 volts at that connector,run a new wire,as big ,or larger than the one on it,and go to the positive ...

...is putting out 13.6 Volts in the alternator. Is it over amping? I do not believe so this should be ok. Normally alternator puts out more than 12 volts. When it is less than 12 is when it is going

...11 volts (is this a sfuffed alternator) ? its a 2.5 Tdi If you rev the engine with the voltmeter attached to the battery the voltage should rise to over 12 volts if the alternator is

...fuses for a blown one. If it's reading 12 volts thats only battery voltage, should be reading no less 13 volts ant thing less bad alternator.Battery light means alternator is not putting out

...alternator has 12 volts going to the big post and 12 volt going to 1 of the 2 small wires You need more than 12 volts to charge the battery. How many amps does the alternator put out? This is what ...

...put out 7 volts is that correct. this may be an alternator that can be used for a 6 or 12 volt vehicle I'm not sure but you need to charge 14 .5 volts on a 12 volt system.....hope this ...

...4v to 13.2v ur car runs off the alternator and should be putting out more the 12 volts bc of all the assesories in ur car need more then 12volts there are no problems with ur car it should be like ...