Circuit Tester Safety Warnings
1. Maintain labels and nameplates on
the tool. These carry important safety
information. If unreadable or missing, contact
Harbor Freight Tools for a replacement.
2. Avoid unintentional starting. Prepare to
begin work before connecting the tool.
3. Use as intended only.
4. Inspect before every use; do not use
if parts are loose or damaged.
5. Do not leave the tool unattended when it is
connected to an electrical source. Disconnect the
tool from its electrical source before leaving.
6. This product is not a toy.
Keep it out of reach of children.
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.
General Operating Instructions
1. Remove the protective tip from the Probe.
Be careful, the tip is sharp.
Note: Before each use, first test the Circuit
Tester on a known, working 6V or 12V source
so you are sure it is in proper working order.
2. To test 6 volt or 12 volt fuses, wiring, or other
6V/12V circuitry, connect the Cord Clamp to
one side/end of the fuse, wire, vehicle battery
post, etc. (either positive or negative pole).
Record Product's Serial Number Here:
Note: If product has no serial number, record
month and year of purchase instead.
SAVE THESE INSTRUCTIONS.
For technical questions, please call 1-888-866-5797.
7. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure. In
addition, people with pacemakers should:
• Avoid operating alone.
• Properly maintain and inspect
to avoid electrical shock.
8. WARNING: The cord of this product contains
lead, a chemical known to the State of California
to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
(California Health & Safety Code § 25249.5, et seq.)
9. The warnings, precautions, and instructions
discussed in this instruction manual cannot
cover all possible conditions and situations
that may occur. It must be understood by the
operator that common sense and caution are
factors which cannot be built into this product,
but must be supplied by the operator.
3. Gently touch and hold the tip of the Probe against
the other side/end of the object being tested.
4. If the Bulb inside the Handle illuminates, this
indicates there is electricity flowing through the
circuit. No illumination of the Bulb indicates no
electricity flowing through the circuit and that repair
or replacement of the object being tested is needed.
5. When finished using the Circuit Tester, replace
the protective tip and store the tool in a clean,
dry, safe location out or reach of children.
Note: Replacement parts are not available for this item.