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Page 4SKU 91129 For technical questions, please call 1-800-444-3353.
2. Do not touch the cooling vents on the Load Tester during or immediately after
testing the battery. They become very hot.
3. When placing the Load Tester in the vehicle’s engine compartment, take special
care that the metal housing of the Tester does not come in contact with either
terminal of the battery or other electrical connections.
4. Be certain of the test battery polarity before connecting the test Cable Clamps. The red
Cable Clamp goes to the positive terminal of the battery. The black Cable Clamp goes
to the negative terminal of the battery. Reversing Load Tester Cable Clamps on the
battery will damage the tester.
5. Do not drop the Load Tester as it may affect proper operation.
6. Do not smoke or have open flames near the battery.
7. Do not connect the Load Tester to the battery while the engine is running. Turn the
engine off before connecting.
Warning: The warnings, cautions, and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur. It must be under-
stood by the operator that common sense and caution are factors which cannot be
built into this product, but must be supplied by the operator.
Unpacking
When unpacking, check to make sure that all the parts are included. Refer to the Assembly
section, and the Assembly Drawing and Parts List at the end of this manual. If any parts are
missing or broken, please call Harbor Freight Tools at the number on the cover of this
manual as soon as possible.
(A) Red Cable: Clamp to
Battery Positive (+) Terminal
(B) Black Cable: Clamp to
Battery Negative (-) Terminal