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CEN-TECH Manuals & User Guides

CEN-TECH is a private label brand strictly distributed by Harbor Freight Tools, known for affordable automotive diagnostic tools, digital multimeters, and battery charging solutions.

Tip: include the full model number printed on your CEN-TECH label for the best match.

About CEN-TECH manuals on Manuals.plus

CEN-TECH is a widely recognized brand of electronic test equipment and automotive diagnostic tools, exclusively available through Harbor Freight Tools. The brand's product lineup includes OBDII code readers, digital multimeters, battery chargers, laser thermometers, and scales.

Designed to offer professional-grade functionality at an accessible price point, CEN-TECH serves both DIY mechanics and professional technicians. As a house brand of Harbor Freight, CEN-TECH products are supported by the retailer's nationwide network and customer service infrastructure.

CEN-TECH manuals

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CEN-TECH manuals from online retailers

Cen-Tech 6/12V Circuit Tester Instruction Manual

CECOMINOD036567 • د اکتوبر ۳۱، ۲۰۲۵
Instruction manual for the Cen-Tech 6/12V Circuit Tester, model CECOMINOD036567. Learn about setup, operation, maintenance, and troubleshooting for this electrical testing tool.

100 Amp 6/12V Battery Load Tester New 90 Day Warranty

100 Amp 6/12V Battery Load Tester • August 9, 2025
Fast and easy to use, this battery load tester checks your vehicle's charging system under working conditions. This load tester takes the guesswork out of electrical diagnosis, making…

Cen-Tech 7 Function Digital Multimeter User Manual

۸۸۲۶۸۹۱۷۰۵۱۵ • د جون ۱۳مه، ۲۰۲۵
Comprehensive user manual for the Cen-Tech 7 Function Digital Multimeter (Model 69096), covering setup, operation, maintenance, troubleshooting, and specifications.

CEN-TECH support FAQ

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  • Who makes CEN-TECH products?

    CEN-TECH is a private label brand manufactured for and distributed exclusively by Harbor Freight Tools.

  • Where can I find finding a manual for my CEN-TECH tool?

    You can find digital manuals on the Harbor Freight website product pages or browse our archive here.

  • What is the warranty on CEN-TECH items?

    Most CEN-TECH products carry a 90-day limited warranty from the date of purchase through Harbor Freight Tools.

  • How do I contact technical support for CEN-TECH?

    You can reach technical support by emailing productsupport@harborfreight.com or calling 1-800-444-3353.