Fuel Injection/Ignition Coil Test Adapter - Thexton Mfg Co

The Thexton 391 Fuel Injection/Ignition Coil Test Adapter is a versatile diagnostic tool designed for professional technicians to efficiently troubleshoot electronic fuel injection and ignition systems. This adapter provides a crucial access point for testing various EFI components and enables comprehensive electrical analysis without damaging wiring harnesses.

Key Features

• Broad Compatibility: Engineered for use on GM, Ford, AMC, Chrysler, and most import electronic fuel injection systems.
• Bosch-Style Connector Access: Offers a direct connection point for EFI components utilizing Bosch-style connectors, streamlining diagnostic procedures.
• Comprehensive Component Testing: Facilitates testing of critical EFI components including fuel injectors, thermal time switches, cold start injectors, temperature sending units, coolant temperature sending units, and auxiliary air valves.
• Versatile Diagnostic Capabilities: Supports a range of tests such as resistance, voltage drop, current, pulse width, and oscilloscope pattern analysis.
• Non-Invasive Connection: Connects directly between the component and the wire harness, eliminating the need for wire piercing or stripping, thus protecting vehicle wiring.
• Integrated Ignition Coil Hookup: Allows for primary ignition coil hookup, aiding in detailed ignition system diagnosis.
• Twelve Test Leads: Includes 12 test leads for easy and secure attachment of various test equipment.

Applications

The Thexton 391 adapter is an indispensable tool for diagnosing performance issues related to fuel delivery and ignition. It is particularly useful for troubleshooting rough idling, misfires, poor fuel economy, and no-start conditions by providing direct access to component signals. Additionally, it serves as an ignition coil test adapter for 1.5 and 1.8 liter engines found in 1990 and newer Chrysler Colt, Mirage, and Summit models.