Parasitic Battery Draw Test Adapter - Thexton Mfg Co

The Thexton Mfg Co 431 Parasitic Battery Draw Test Adapter provides professional automotive and industrial technicians with a precise solution for identifying and diagnosing key-off battery drains. This specialized tool facilitates accurate, in-line measurement of parasitic current draw using a standard ammeter or multimeter, while crucially safeguarding essential vehicle memory, presets, and diagnostic trouble codes.

Key Features

• In-line Current Measurement: Designed for direct connection between the negative battery terminal and cable, allowing stable and precise current draw assessment without interrupting the circuit.
• Preserves Vehicle Data: Enables parasitic drain testing without disconnecting the battery, which helps maintain computer memory, radio presets, and stored diagnostic trouble codes, thereby reducing post-diagnosis setup time.
• Broad Vehicle Compatibility: Compatible with both side terminal and top post batteries, making it suitable for diagnosing most computer-controlled vehicles manufactured from 1980 and newer.
• Professional-Grade Durability: Features plated contact surfaces to ensure reliable conductivity and long-term durability, engineered to withstand the rigorous demands of daily shop use.
• Compact Design: Its slim profile allows for easier access and operation in confined battery box areas and crowded engine compartments.

Applications

Utilize the Thexton 431 to efficiently locate excessive key-off battery drains, verify current draw after repairs, and troubleshoot intermittent electrical complaints that lead to unexpected battery discharge. This adapter is essential for diagnosing faulty control modules, computers, and other solid-state components. It also integrates into preventative maintenance workflows, helping to identify excessive standby draw before it results in no-start conditions or premature battery failure.

Specifications

• Manufacturer: Thexton Mfg Co
• Model: 431
• Weight: 0.55 lbs
• Dimensions: 5.3" L x 0.9" W x 12.1" H