3
LOAD ON LIGHT
indicates load is
being applied.
INDUCTIVE AMP PROBE
(Detachable)
measures amperage when clamped
over any current carrying vehicle wire.
Arrow should point in the direction of
current flow for correct polarity.
ZERO AMPS
used to zero
ammeter.
START TIMER initiates the
15 second timer light when
pushed, then released.
LOAD CONTROL KNOB controls the
amount of load applied to batteries.
(Do not exceed the 15 second
maximum load time)
INDICATOR LIGHT when used
in conjunction with the start
timer button, indicates when 15
seconds has elapsed.
VOLTS SELECTOR SWITCH
switches volt reading from internal
battery clamps to external volt leads
COAXIAL CLAMP
LEADS connects the
unit to the battery and
voltmeter for testing
as well as provides
power for the unit.
Red for positive and
black for negative.
EXTERNAL VOLT LEADS
used for reading voltage in hard
to reach places where higher
voltages are present, and
voltage drop testing.
CONTROLS AND FUNCTIONS
STATOR DIODE LIGHT
indicates one or more bad diodes
in an alternator-based system.