Cruise Control Tester - Kent-Moore

The Kent-Moore J-42958 Cruise Control Tester is an indispensable in-series diagnostic tool engineered for professional automotive technicians. Designed specifically for General Motors vehicles, this instrument enables precise troubleshooting of cruise control systems by directly evaluating electrical inputs, outputs, and wiring integrity within the vehicle harness. It streamlines the diagnostic process for a wide range of GM platforms.

Key Features

• GM-Specific Diagnostics: Provides comprehensive diagnostic evaluation for cruise control systems across Buick, Cadillac, Chevrolet, Pontiac, GMC, Hummer, and Oldsmobile vehicles.
• In-Series Circuit Testing: Connects directly between the cruise control harness and module, allowing for real-time circuit evaluation, signal monitoring, and accurate fault identification under live operating conditions.
• Module and Switch Verification: Supports detailed diagnostic procedures, including those referenced as test2358 and test8295, for simulating turn signal lever switch functions and confirming correct signal inputs to the cruise control module.
• Efficient Fault Isolation: Pinpoints issues within cruise control modules, switches, sensors, and associated wiring, significantly reducing diagnostic time and preventing unnecessary component replacement.
• Professional-Grade Construction: Engineered for the demands of daily use in professional service bays, featuring robust connections and a durable housing suitable for dealership and independent shop environments.

Applications

The J-42958 is utilized for diagnosing common cruise control complaints, such as intermittent operation, complete no-engagement conditions, or incorrect and drifting set speeds on compatible GM vehicles. It is an essential tool for pre-repair troubleshooting, verifying the effectiveness of repairs after component replacement, and conducting routine performance checks of electronic cruise control systems.