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Model#: PWPNPP401AS

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Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
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New or Recon items with possible minor cosmetic damage; CPO 60 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Power Probe PP401AS Power Probe IV

  • Power Probe PP401AS Power Probe IV
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The Power Probe IV still provides the basic function you already know and love with its ability to activate electrical components. But now, its new color graphic display is larger, brighter, and easier to see at any angle of view and in direct sunlight. Its higher voltage measurement capability can now display up to 200V with a resolution of 0.01V. It has three Volt meter modes to cover all ranges of voltage measurements. The Power Probe IV is menu driven with three navigation buttons to make mode selecting intuitive and easy.
  • Supplies power and ground for functional component testing
  • Digital Volt and Ohmeter for circuit testing
  • AC-RMS, AC peak-to-peak, Frequency and Pulse Width for signal testing
  • Fuel injector tester for easy circuit diagnosis
  • PCM/ECM driver supplies safe voltage for testing computer driver circuits
  • 23 ft. battery power supply cable
  • Bright white LED's flashlight for increased visibility
  • Self-resetting and replaceable circuit breaker
  • Ergonomic handle design
  • Power Probe IV - PP401AS



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Power Probe Inc. manufactures its products to the highest quality standards and we are committed to meet or exceed customer expectations. Accordingly, we warranty our products against manufacturing defects in parts and workmanship for a period of twelve months from the original date of purchase. This warranty does not extend to damage caused by misuse, modifications, shipping damage or loss, abuse, accidents, use on improper voltage/current and normal wear and tear. Warranty is voided for any product that has been opened or altered in any way. Proof of purchase as evidence the unit was purchased within the warranty period from an authorized dealer, is required for warranty service.


In the unlikely event a problem is experienced with any of our products, a return merchandise authorization (RMA) number must be obtained either through our website at, or by contacting us toll-free at 800-655-3585. Each product to be returned must have the item number, description of the problem and serial number (if available). All returns must have a RMA number marked clearly on the outside of the shipping box, and printed RMA form enclosed inside the box. Only Power Probe can determine if product can be repaired or must be replaced. If product is out of warranty, charges will apply for either product repair or factory- refurbished replacement with limited warranty.

Refund/Account Credit

Any returns for refund or account credit must be done within 30 days from the original date of purchase. A return merchandise authorization (RMA) number must also be obtained either through our website at, or by contacting us toll-free at 800-655-3585. Customer is responsible for the cost of the return shipping. All returns for refund or account credit must be in re-sellable condition, which includes having the original packing material, product box, any and all accessories and instruction manuals. Only Power Probe can determine if returned product is in re-sellable condition or not.

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