Owner's Manual & Safety Instructions
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inspection, maintenance and cleaning procedures. Write the product's serial number in the back of the manual
near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and
the receipt in a safe and dry place for future reference.
4
in
POWER PACK
CHARGE COMPLETELY
IMMEDIATELY AFTER
PURCHASE.
Fully recharge after
each jump-start.
Fully recharge monthly to
ensure long battery life.
REV 14f
Email our technical support at: productsupport@harborfreight.com
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
©
Copyright
2014 by Harbor Freight Tools
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Keep this manual for the safety warnings and precautions, assembly, operating,
1
Visit our website at: http://www.harborfreight.com
®
. All rights reserved.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Need help?
Do you have a question about the 62374 and is the answer not in the manual?
Questions and answers
Wen I hook it to my car it doesn't start my car my car just clicks but when I hook it to a vehicle my car starts
The CEN-TECH 62374 may not start your car but works with another vehicle due to several possible reasons:
1. Battery Condition – If your car battery is severely damaged or completely dead ("toast"), the jump starter may not be able to revive it.
2. Waiting Time – The manual states you must wait at least 5 minutes before trying to start the vehicle. If this step is skipped, it may not work.
3. Proper Connection – Ensure the clamps are correctly connected and that the negative clamp is not attached directly to the battery's negative terminal.
4. Power Pack Charge – The jump starter must be fully charged before use. Verify the battery test button to ensure sufficient charge.
5. Vehicle Electrical Issues – If your car has additional electrical or starter problems, the jump starter may not be enough to start it.
6. Environmental Conditions – Extremely cold conditions can make it harder for a weak battery to start, even with a jump starter.
If the jump starter works on another vehicle but not yours, the issue is likely with your car’s battery or electrical system rather than the jump starter itself.
This answer is automatically generated
When I wanted to put air in my tire, the part that attaches to the tire nozzle broke. Is it possible to replace that part? Would the tube have to be replaced?