Battery Powered Circuit Tester
Hover over the image to zoom in
Share this:
Please Note: This item is not eligible for further promotional discounts, coupons or special offers.

OTC Battery Powered Circuit Tester

Part No. OTC3630 Warranty Details  
The CANdi module connects between the Tech 2's diagnostic link cable and the OBD adapter
Once the CANdi module is connected, it can be used on all GM vehicle applications, even those vehicles using other platforms such as OBD I and OBD II An industry change in protocol from OBD II to Controller Area Network (CAN) is ongoing. In order to perform diagnostics on a vehicle that uses the CAN interface, you will need the Tech 2 and a CAN diagnostic interface module.
(CANdi Module is included in the Tech 2 Deluxe Kit 3649.)
Back To Top

Do you have questions about this product?


Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

1 Question | 1 Answer
Displaying question 1
  • Q:

    what is the purpose behind the battery?
    Asked on 12/16/2014 by mack from carlisle

    1 answer



      Hi Mack, good question! The battery is to power the circuit. This tool is designed to be used on circuits that are not powered by any other source at the time of testing.

      Answered on 12/17/2014 by Solomon
Displaying question 1

Do you have a question about this product? 

Check out the specials in our monthly flyer.
Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.