Equus Gauges 3551 Inductive Timing Light for Automotive Engine Tuning

The Equus 3551 Inductive Timing Light is an essential diagnostic tool for tuning and maintaining gasoline engines. This professional-grade timing light works with virtually all ignition systems including DIS (distributorless ignition), conventional distributor systems, electronic ignition, and computer-controlled systems on both domestic and import vehicles.

Key Features:

• Universal compatibility with most ignition systems - works on classic cars through modern computer-controlled engines
• Inductive pickup design - no direct spark plug wire connection needed, simply clamp around the wire
• Diagnose ignition timing, check advance/retard curves, verify spark delivery, and measure engine RPM
• Slim rotating barrel allows precise aiming at timing marks even in tight engine compartments
• Detachable leads with metal inductive pickup for durability and reliability
• Protective hand guard shields user from engine heat and moving components
• Patented Skip Circuitry technology reads engines up to 9,990 RPM accurately
• Ergonomic one-hand operation for convenient solo diagnostics

This timing light is ideal for setting base timing, diagnosing no-start conditions, verifying distributor advance mechanisms, and performing complete engine tune-ups. The inductive pickup design eliminates the need for piercing or disconnecting spark plug wires, making it safe for use on modern vehicles with sensitive ignition systems.