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9
8.1 GENERAL DESCRIPTION
The tool is ideal for reducing diagnostic time in all 6 to 30 volt vehicle electrical systems. After a
simple hook-up of the tool to the vehicle’s battery, you can:
• Determine at a glance if a circuit is positive, negative, or open without having to reconnect clips
from one battery pole to another.
• Test for continuity with its built-in auxiliary ground lead.
• By depressing the power switch, conduct a positive or negative battery current to the probe tip
for testing the function of an electrical component.
• Test for poor ground contacts instantly without performing voltage drop tests. The tool is also
short - circuit protected; its internal circuit breaker will trip if it becomes overloaded.
• Follow and locate short circuits without wasting fuses. The tool’s long cable allows you to test
along the entire length of the vehicle without constantly searching for suitable vehicle grounds.
8.2 POWER
The tool is powered via the vehicle battery. Connect the RED battery clamp to the POSITIVE
terminal of the vehicle’s battery, and the BLACK clamp to the NEGATIVE terminal. When the tool
is first connected to a battery (power source), it will sound a beep and the Work Lights will be on
to illuminate the test area of the probe tip.
8. OPERATING INSTRUCTIONS
8.3 QUICK SELF-TEST - FIG. 1
Before you test a circuit or component, be sure your
tool is in good order by doing a quick self-test.
With the tool connected, perform a quick self-test.
The power switch is a momentary rocker switch
located on the tool’s body. Flanking the switch are
positive and negative markings.
Press the Power Switch forward to activate the tip
with a positive voltage. The Red LED should light
and the LCD display will read the battery voltage. A
beep tone will sound. Let go of the power switch
and the LED will turn off and the tone will cease.
Press the Power Switch rearward to activate the tip
with a negative voltage. The Green LED should light
and the LCD display will read the 0.0V (ground). A
beep tone will sound. Let go of the power switch
and the LED will turn off and the tone will cease.
Your tool is working correctly and is now ready for
use.
IMPORTANT: When powering-up components, you
can increase the life of power switch in the tool if
you first press the switch, then contact the tip to the
component. The arcing will take place at the tip
instead of the contacts of the switch.
FIG.1
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