![Open & Short DC Circuit Detector 6-42V [FF400]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/FF400_DFC1212849__41629.1720586685.webp)
![Open & Short DC Circuit Detector 6-42V [FF400] - Image 2](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/FF400_PIC2_DFC1212859__86735.1720586687.webp)
Description
• Find short and open circuits quickly and easily.
• Simply attach the sender unit to the circuit and follow the wires using the detector.
• Ideal for automotive repairs.
• Suitable for all DC circuits up to 42V.
• Supplied in storage case.
• Powered by two 9V batteries.
![4-Way Wheel Brace 1/2"Sq Drive [AK2093]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK2093.V2__32029.1720555094-324x324.webp)
![4-Way Wheel Brace [AK2090]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK2090.V2__60548.1720555093-324x324.webp)
![Copper Lug Terminal Crimping Tool 10-120mm² [AK120B]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/AK120B_DFC1483071__44579.1720599428-324x324.webp)
![Open & Short DC Circuit Detector 6-42V [FF400]](https://www.toolpointsolutions.com/wp-content/uploads/2026/09/FF400_DFC1212849__41629.1720586685-324x324.webp)