Speaking Of Harbor Freight...
This load tester costs fifty dollars. I own one. It will CORRECTLY load test a tiny garden tractor battery all the way up to a 160 lb 8-D battery. CORRECTLY The cheese grater type testers ...
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Chop a hole in the case and fit
a 3 VOLT full scale AC voltmeter and there's your SUN VAT 28-40 STATOR/DIODE tester. Alternating Current VOLTmeter
Connect your inductive DC ammeter to the large alternator wire, twist the handle and read alternator amperes charging capacity.
Mother Fletcher's Do It Myself VAT tester.
a 3 VOLT full scale AC voltmeter and there's your SUN VAT 28-40 STATOR/DIODE tester. Alternating Current VOLTmeter
Connect your inductive DC ammeter to the large alternator wire, twist the handle and read alternator amperes charging capacity.
Mother Fletcher's Do It Myself VAT tester.
