Question about 1972 Aermacchi Sprint 350
How do i test the the altenator on a (aermacchi) harley 1973 z90. system now not charging email@example.com
If you know its location trace wire harness up to the first disconnect and read into the plug, there should only be three pins, measure the resistance of any two pins in any combination and they should all read less than 1 ohm, if any one of the three winding read open, or high resistance, then its bad, and will need to be replaced. usually its not the alternator that causes the charging problem, its the regulator. Your battery has to be in good condition to start with... so it can accept a charge..it might have a bad cell in it..battery voltage static, should be minimum 12.4 volts..12.6-to 12.7v nominal. if your battery reads 11 to 12.0v and is over two years old, its probably bad. Can i get a ratting if this helped you, thanks!
Posted on May 02, 2010
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Posted on Jan 02, 2017
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