Disconnecting the battery cable while running it not a good way to check an alternator. Doing so will damage the alternator and if you where to get in line with the cable you take off and ground it can KILL you. Disconnecting it like that makes the VR got to max charge and max volts so it is putting out 35 plus amp which is 35 million time the amps it take to kill and max volts can be 90 plus which is more then enough to push the amp to kill you. Just plain and simple a stupid way to do it.
Correct way to check is a volt meter check and a magnet test. Battery volts should read 12.5 plus not running and 13015 volts running. Magnet test is simple also the back of the alternator center should be magnetic when running if not then it is not being excited as need to work
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Today's Featured Article - Show Coverage: The Old Gold National Antique Tractor Show - by Cindy Ladage. Over the fourth of July weekend, the Illinois State Fairgrounds in Springfield, Illinois, was the site of the Old Gold National Antique Tractor Show. Tractors of all makes and models were displayed and separted into categories by their age. Deere, Oliver and even a Wards and Keck Gonerman were part of the crowd. A sea of red International Harvester's seemed to be the the model with the biggest showing. The crowd was decent for the scorching July heat. The opening day started o
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