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H. Battery is GOOD if voltage is at or above volt readings shown on chart.
Battery is BAD if voltage drops below volt readings shown on chart.
VARIABLE LOAD CARBON PILE TESTERS PRODUCE
HEAT WHEN IN USE. CARE MUST BE TAKEN TO
ALLOW SUFFICIENT TIME TO COOL DOWN BETWEEN
TESTS TO AVOID INJURY DUE TO HEAT BUILD UP.
NOTE: On vehicles with multiple batteries, only one battery at a time should be
tested.
5. TESTING THE CHARGING SYSTEM (ALTERNATOR &
REGULATOR TEST)
A. Connect the tester the same as for battery testing.
B. Start the engine and allow it to reach normal operating temperature.
C. Run engine at 1200 to 1500RPM. CAUTION: Stay clear of moving engine
parts. Do not turn on the load switch.
D. Read the voltmeter. A reading in the red band area indicates a problem in the
charging system that will undercharge a battery; if the meter is beyond the OK
area, the charging system is likely to overcharge the battery.
6. STARTER MOTOR TEST (12 VOLT VEHICLES)
This test identifies excessive starter current draw, which makes starting difficult
and shortens battery life. Perform battery load test-proceed if battery is GOOD.
ENGINE MUST BE AT NORMAL OPERATING TEMPERATURE FOR THIS
TEST
WARNING
5
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